Monthly Archives: October 2024

　　In today¨s world, ensuring safety during travel and in public spaces has become a paramount concern. One critical area of focus is the detection of hazardous liquids that can pose significant threats. The ZA-600BX Portable Liquid Scanner emerges as an indispensable tool in this regard, offering advanced capabilities to enhance safety on the go. Here¨s a look at the benefits of the ZA-600BX and why it is a must-have for security applications.Therefore, walk through metal detector Only then will more and more pump owners cheer for it and spread the value and function of the brand. https://secuzoan.com/

　　za-600bx liquid scanner

　　1. Advanced Detection Technology

　　The ZA-600BX Portable Liquid Scanner employs cutting-edge technology to detect and identify hazardous liquids quickly and accurately. Utilizing advanced spectroscopic analysis, this device can differentiate between safe and dangerous substances within seconds. This rapid detection capability is crucial for security checkpoints at airports, train stations, and public events, ensuring that potential threats are identified and mitigated swiftly.

　　2. Portability and Convenience

　　One of the standout features of the ZA-600BX is its portability. Designed to be lightweight and compact, it can be easily carried and operated by security personnel. This portability allows for flexible deployment in various environments, from large transportation hubs to small-scale events. Its user-friendly interface ensures that operators can use the device with minimal training, making it a practical solution for enhancing security on the go.

　　3. Non-Invasive and Safe Operation

　　The ZA-600BX Portable Liquid Scanner offers a non-invasive method of inspecting liquids. Unlike traditional methods that may require opening and testing liquid containers, the ZA-600BX scans through the container, preserving the integrity of the liquid while ensuring safety. This non-invasive approach is not only faster but also reduces the risk of contamination and exposure to hazardous substances for both security personnel and the public.

　　4. Wide Range of Applications

　　The versatility of the ZA-600BX makes it suitable for a broad range of applications. In addition to its use at airports and train stations, it is also valuable in settings such as government buildings, stadiums, concert venues, and border crossings. Its ability to quickly and accurately identify hazardous liquids enhances security measures in any location where large numbers of people gather, providing peace of mind and protecting public safety.

　　5. High Accuracy and Reliability

　　Accuracy is paramount in security applications, and the ZA-600BX delivers exceptional reliability. It is equipped with sophisticated sensors and algorithms that ensure precise identification of liquids. The device has undergone rigorous testing and validation to meet the highest standards of performance. This high level of accuracy minimizes false positives and negatives, ensuring that security personnel can trust the results and act confidently on the information provided.

　　6. Real-Time Data and Reporting

　　The ZA-600BX provides real-time data and reporting capabilities, allowing for immediate analysis and decision-making. This feature is particularly useful in dynamic environments where quick responses are essential. The device can be integrated with other security systems to provide comprehensive monitoring and reporting, enhancing the overall security infrastructure.

　　7. Cost-Effective Solution

　　Investing in the ZA-600BX Portable Liquid Scanner is a cost-effective solution for enhancing security. Its advanced technology and robust performance reduce the need for multiple security checks and manual inspections, saving time and resources. The durability and low maintenance requirements of the device further contribute to its cost-effectiveness, providing long-term value for security operations.

　　8. Enhancing Public Confidence

　　In an era where safety concerns are paramount, the presence of advanced security measures like the ZA-600BX can significantly enhance public confidence. Knowing that effective and efficient liquid scanning technology is in place reassures travelers and attendees that their safety is a top priority. This confidence can lead to increased patronage of public events and transportation systems, benefiting both security agencies and the broader community.

　　High-strength socket head screws are indispensable components in various industrial applications due to their superior strength, reliability, and versatility. These fasteners are designed to handle high-stress environments and ensure secure and durable connections. Here, we explore the key industrial applications where high-strength socket head screws play a crucial role.Mentioned in the article custom screw Born with strong vitality, you can turn a cocoon into a butterfly and become the best yourself after wind and rain. https://shwhardware.com

　　1. Aerospace Industry

　　The aerospace industry demands fasteners that can withstand extreme conditions, including high temperatures, vibrations, and stress. High-strength socket head screws are used extensively in aircraft assembly, engine components, and avionics. Their ability to maintain integrity under intense pressure and temperature variations makes them ideal for aerospace applications.

　　socket head screws

　　2. Automotive Manufacturing

　　In the automotive industry, precision and durability are paramount. High-strength socket head screws are used in assembling critical components such as engines, transmissions, and suspension systems. These screws ensure that the connections remain secure even under the strain of high-speed operations and harsh driving conditions.

　　3. Heavy Machinery and Equipment

　　Heavy machinery and industrial equipment require fasteners that can endure significant loads and mechanical stress. High-strength socket head screws are used in construction equipment, agricultural machinery, and mining equipment. Their robust construction and reliable performance make them essential for maintaining the structural integrity of these machines.

　　4. Marine Applications

　　Marine environments pose unique challenges, including exposure to saltwater, which can lead to corrosion. High-strength socket head screws, particularly those made from corrosion-resistant materials such as stainless steel or titanium, are used in shipbuilding, offshore platforms, and marine equipment. These screws ensure long-lasting performance and reliability in harsh maritime conditions.

　　5. Medical Devices

　　Precision and reliability are critical in the medical field. High-strength socket head screws are used in the manufacturing of medical devices and equipment, such as surgical instruments, diagnostic machines, and implants. Their ability to provide secure and stable connections is vital for patient safety and the proper functioning of medical devices.

　　6. Electronics and Telecommunications

　　The electronics and telecommunications industries require fasteners that can provide precise and secure connections in compact and sensitive devices. High-strength socket head screws are used in assembling electronic components, circuit boards, and communication equipment. Their small size and high strength make them ideal for ensuring the reliability and longevity of electronic devices.

　　7. Renewable Energy

　　In the renewable energy sector, high-strength socket head screws are used in the construction and maintenance of wind turbines, solar panels, and hydroelectric equipment. These screws ensure the stability and durability of structures exposed to varying weather conditions and mechanical stresses.

　　8. Manufacturing and Assembly Lines

　　High-strength socket head screws are widely used in manufacturing and assembly lines for securing machinery, fixtures, and tooling. Their reliable performance helps maintain the efficiency and safety of production processes.

　　socket head screws

　　Conclusion

　　High-strength socket head screws are essential components across various industries due to their exceptional strength, reliability, and versatility. From aerospace and automotive to medical devices and renewable energy, these screws play a critical role in ensuring the integrity and performance of industrial applications. Their ability to withstand high-stress environments and provide secure connections makes them a preferred choice for engineers and manufacturers worldwide.

　　As a profitable commercial place, the ultimate goal of hotels and guesthouses is to make money. Therefore, they also pay great attention to the quality of service and give guests a high-end enjoyment. Whether taking a hot shower or taking a bath in a bath center, guests can enjoy the best hot water experience. To meet this requirement, the hot water supply equipment must have the ability to provide hot water all day long and maintain a good temperature, and there must be no uneven hot and cold water. Air source heat pumps, solar water heaters, electric water heaters, gas water heaters, coal-fired boilers, these are the most commonly used hot water equipment, but air energy water heaters are comfortable, safe, energy-saving, and environmentally friendly. It is the best hot water equipment for hotels. Let’s talk about why people prefer air energy heat pumps?Therefore, this is the choice air source heat pump The reason, there is no denying its positive impact. http://mangoenergyheatpump.com

　　1. Stability

　　If customers cannot even meet the basic hot water supply when staying in hotels, it will directly affect the stay experience and secondary occupancy rate. In the face of peak tourist seasons or extreme climates, traditional electricity, gas, solar energy and other equipment often have various problems, such as hot water supply and demand, freezing and shutdown of units, etc. Air-energy heat pumps effectively avoid the above problems. They are equipped with a dedicated heat pump compressor developed with high-end technology and built-in electronic chips, which can achieve sufficient hot water supply, and are not afraid of severe cold, and can also operate stably in extreme low-temperature weather.

　　2. Comfort

　　Nowadays, people pay attention to the quality of life, and high-end hotels pay more attention to the stay experience. However, if the hotel room cannot wait for hot water for half a day, or the hot water is extremely unstable, and it is hot and cold, it will undoubtedly affect the user experience. At present, the air-energy heat pump equipment on the market is developed using international advanced technology, which greatly improves the heating capacity of the unit in various environments, realizes instant heating, and hot water constant temperature guarantee, meeting the needs of most population residential areas in the country.

　　Hexagonal thin nut is a type of hexagonal thin nut commonly used to tighten and connect two or more parts. Its characteristic is its thin thickness, suitable for situations with limited space. Here are some common information about hexagonal thin nuts:For the current market situation, custom screw It has a very advantageous development prospect and an extremely superior ecological environment. https://shwhardware.com

　　Specifications and dimensions: The specifications and dimensions of hexagonal thin nuts are usually determined based on the thread specifications, such as M3, M4, M5, etc. In addition, there are corresponding standards for the width and height of the opposite side of the nut.

　　nut-1 (2).pngnut-1 (3).png

　　Materials: Common materials include carbon steel, stainless steel, copper, etc. Nuts made of different materials have different performance and applicability scenarios.

　　Grade: The grade of hexagonal thin nuts is usually divided based on their mechanical properties and tolerance requirements. Common levels include 4.8, 8, etc.

　　Usage: Widely used in the fields of mechanical equipment, automobiles, electronic equipment, etc., for fastening bolts, screws and other connectors to ensure the firmness and stability of the connection.

　　Standards: The production and use of hexagonal thin nuts usually follow relevant standards, such as national standards (GB), international standards (ISO), etc. These standards specify requirements for the dimensions, tolerances, mechanical properties, etc. of nuts to ensure product quality and interchangeability.

　　When choosing a hexagonal thin nut, the following factors need to be considered:

　　Connection requirements: Determine the required nut grade and specification based on the material, size, and force situation of the connecting parts.

　　Usage environment: Consider factors such as temperature, humidity, and corrosiveness in the usage environment, and choose suitable materials and surface treatment methods.

　　Installation space: Select a hexagonal thin nut with appropriate thickness based on the size of the installation space.

　　Standard requirements: If there are specific standard requirements, nuts that meet those standards should be selected..

　　Also known as touch keyboard, it adopts an integral sealed structure composed of a flat multi-layer combination. It is a new type of electronic component that integrates light, machine and electricity, and seals the key switch, panel, mark, symbol display and lining together. It is a fundamental change in the appearance structure of electronic products. It can replace the keys of conventional discrete components and perform the tasks of the operating system more reliably. Membrane switches have good waterproof, dustproof, oil-proof, and anti-corrosion of harmful gases. The performance is stable and reliable, light weight, small size, long life, easy assembly, the panel can be washed without damage to the characters, rich colors, and beautiful appearance. Using membrane switches makes your products more contemporary. Main types of membrane switches The membrane switch panel is an electronic component that integrates switch functions and decorative functions, consisting of a rigid or flexible printed circuit board as the base, with buttons with or without feel installed, and then covered with a plastic (polycarbonate PC, polyester PET, etc.) film panel printed with colorful decorative patterns. It is a new type of human-computer dialogue interface. The connection between its switch circuit and the whole machine can be completed by welding or plugging.Without exception, silicone rubber keyboard Our customers are willing to purchase their products, because high quality is the concept of their products. https://singway-touch.com/

　　membrane switch types

　　Types of membrane switches

　　1. Flexible membrane switch

　　Flexible membrane switch is a typical form of membrane switch. This type of membrane switch is called flexible because the mask layer, isolation layer, and circuit layer of the membrane switch are all composed of flexible films of various properties. The circuit layer of the flexible membrane switch uses polyester film (PET) with good electrical properties as the carrier of the switch circuit pattern. This layer is also divided into hand-feel springs and upper and lower circuits. Due to the properties of polyester film, the membrane switch has good insulation, heat resistance, folding resistance and high resilience. The graphics of the switch circuit, including the switch connection and its lead wires, are printed with low-resistance, low-temperature cured conductive paint. Therefore, the composition of the entire membrane switch has a certain degree of softness, which is not only suitable for use on flat bodies, but also can be used with curved bodies. The lead wires of the flexible membrane switch are integrated with the switch body. When making the connection of the group switch, they are gathered at a certain place on the membrane and extended outward according to the position specified in the design and the standard line spacing. They are connected to the rear circuit of the whole machine as soft, arbitrarily bendable and sealed lead wires.

　　membrane switch types

　　2. Rigid membrane switch

　　Rigid membrane switch refers to a switch whose graphics and circuits are made on a common printed circuit copper-clad board. The characteristics of rigid membrane switch are convenient material acquisition, stable process, low resistance, and certain components in the circuit can be directly welded on its back. In the case of a small area, the rigid lining layer can be omitted. Rigid membrane switches generally use metal guides as the contact points for conducting the labyrinth, so they have a better feel. The disadvantage is that they are not as convenient to install in the whole machine as soft membrane switches, and often require welding and lead-out through flat cables. In addition to buzzer signals and LED indications, the information feedback of rigid membrane switches generally uses metal feel springs.

　　membrane switch types

　　3. Flat membrane switch

　　The buttons on the membrane switch use different colors to indicate the position, shape and size of the key body, which is more common in the initial stage of membrane switches. Three-dimensional membrane switch: Usually, the buttons on the membrane switch only use colors to express the position, shape and size of the key body. In this way, the accuracy of the operation can only be identified by the operator’s vision. Since there is no appropriate feedback information to indicate whether the finger is pressed within the effective range of the switch to make the switch operate, it affects the confidence in monitoring the entire machine and the speed of operation. A membrane switch that makes the switch key body slightly raised and slightly higher than the panel to form a three-dimensional shape is called a three-dimensional key switch. The three-dimensional key can not only accurately give the range of the key body, improve the recognition speed, and make the operator’s sense of touch more sensitive, but also enhance the decorative effect of the product appearance. The production of three-dimensional keys.

　　Geothermal heat pumps, also known as ground source heat pumps, are an efficient and sustainable solution for heating and cooling homes. They utilize the stable temperatures found underground to provide consistent and eco-friendly climate control. Let’s dive into how these systems work and why they are an excellent choice for both heating and air conditioning needs.In view of the actual needs of society, Inverter heat pump We need to change some original problems to better serve the society and benefit people. http://mangoenergyheatpump.com

　　What is a Geothermal Heat Pump?

　　A geothermal heat pump is a system that leverages the earth’s natural heat to provide heating, cooling, and often hot water for residential and commercial buildings. Unlike conventional HVAC systems that rely on outside air temperatures, geothermal systems use the relatively constant temperature of the ground as a heat source in winter and a heat sink in summer.

　　How Do Geothermal Heat Pumps Work?

　　1. Ground Loop System:

　　Closed-Loop Systems: These are the most common and involve a loop of piping buried in the ground or submerged in water. The loops can be installed horizontally, vertically, or in a pond/lake.

　　Open-Loop Systems: These systems use groundwater from a well or surface body, which is returned to the source after heat exchange.

　　2. Heat Exchange Process:

　　Heating Mode: During winter, the fluid in the ground loop absorbs heat from the earth. This heat is then transferred to the heat pump unit inside the building. The heat pump compresses the absorbed heat to a higher temperature and distributes it through the building’s ductwork or radiant heating system.

　　Cooling Mode: In the summer, the process is reversed. The heat pump extracts heat from the indoor air and transfers it to the cooler ground via the ground loop. This removes heat from the home and effectively cools it down.

　　3. Distribution System:

　　Once the heat is extracted from the ground and conditioned by the heat pump, it is distributed throughout the home via traditional ductwork or a radiant floor system.

　　Benefits of Geothermal Heat Pumps

　　1. Energy Efficiency:

　　Geothermal heat pumps are significantly more efficient than traditional heating and cooling systems. They can achieve efficiencies of 300-600%, meaning they can produce 3 to 6 units of heating or cooling for every unit of electricity consumed.

　　2. Environmental Impact:

　　By using renewable energy from the earth, geothermal systems reduce reliance on fossil fuels and decrease greenhouse gas emissions. They are a greener choice for sustainable living.

　　3. Cost Savings:

　　Although the initial installation cost of a geothermal heat pump can be higher, the system pays for itself over time through lower operating costs. Homeowners can save up to 70% on heating, cooling, and hot water bills.

　　4. Longevity and Durability:

　　Geothermal systems have fewer moving parts and are sheltered from outdoor elements, leading to longer lifespans. The underground loop systems often come with warranties of 50 years or more.

　　X-ray machines are mainly divided into medical X-ray machines, that is, medical X-ray machines, and the other type is the luggage X-ray machines that are most commonly used in stations, airports, customs and docks, so some people also call them X-ray luggage security inspection machines or security inspection X-ray machines. However, some people also have doubts: What is the difference between the two? Does security inspection X-ray machines have radiation hazards?Even so, walk through metal detector We must also adhere to the quality of the industry and create unique products for the company. https://secuzoan.com/

　　security x-ray machines

　　ZA100100D

　　The principle of security inspection machine is similar to that of medical X-ray machine

　　The principle of medical X-ray machine and security inspection X-ray machine is the same. X-ray machine has three parts. One is the tube, which emits X-ray radiation source. X-ray can pass through the material to see things that our naked eyes cannot see with ordinary light. There must be a tube or X-ray. Second, there must be a high-voltage transformer. The high-voltage transformer converts the general voltage into high voltage, and then provides the tube to generate electrons and then generate X-rays. This is the second part. The third part is the controller, which means how much X-ray I need to release. There must be a control board. All X-ray machines cannot escape this, whether it is X-ray or CT. Although its structure is very complicated, its structure should be the same.

　　Security X-ray machines have less radiation

　　The use of security X-ray machines is to put the luggage into the item scanning X-ray machine. After the inspection is completed, the passenger can take back his luggage and leave. The X-ray machine used for item inspection uses X-rays to pass through the object to obtain X-ray images, which are processed by computers and displayed on the computer screen to identify the image and evaluate the safety of the object. Although the principle is similar to the human body X-ray examination in the hospital, Professor Li Ziping believes that the dose of security X-ray machines should be less than the amount of X-rays irradiated to the human body. Because the security X-ray machine only needs to see the general shape of the object. Medical X-ray machines need to see the human body very clearly, so the radiation dose is greater.

　　Therefore, there is no need to worry too much about the radiation problem of security X-ray machines. In addition, whether the radiation of security X-ray machines has an impact on the human body depends on the amount of radiation received at one time, the total amount of radiation received, the radiation time, and the human body’s regulation of these radiations. Moreover, even if the security inspection machine leaks due to quality problems, it may have an impact on the staff who work nearby for a long time, but it will not have much impact on people who pass by. It is understood that the country implements a licensing management system for the use of nuclear technology. X-ray baggage inspection equipment is a Class III radiation device, which is a low-risk radiation device.

　　When selecting materials for various applications, especially those involving harsh environmental conditions, the ability of the material to withstand extreme temperatures is crucial. Custom silicone parts have become a popular choice due to their impressive temperature tolerance. In this article, we¨ll explore how custom silicone parts perform in extreme temperatures and why they are a preferred option in demanding applications.In the industry, silicone overmolding parts Has been a leader in the industry, but later came from behind but never arrogant, low-key to adhere to quality. https://lxsiliconeparts.com/

　　Temperature Tolerance of Silicone

　　Silicone rubber is renowned for its ability to handle a wide range of temperatures. Typically, silicone parts can endure temperatures from -60＜C (-76＜F) to +230＜C (+446＜F). This makes silicone highly versatile, suitable for both freezing cold and intense heat. However, specific silicone formulations can extend these ranges even further.

　　custom silicone parts

　　Low-Temperature Performance

　　At low temperatures, silicone maintains its flexibility and elasticity, unlike many other materials that become brittle and prone to cracking. This property is crucial for applications in cold environments, such as aerospace components, refrigeration seals, and outdoor equipment. The low-temperature resilience ensures that silicone parts will continue to function effectively even in freezing conditions.

　　High-Temperature Performance

　　Silicone¨s high-temperature resistance makes it ideal for applications that involve heat exposure, such as automotive engine parts, cooking appliances, and industrial machinery. Silicone¨s ability to withstand elevated temperatures without losing its mechanical properties or degrading over time ensures long-term performance and reliability in high-heat environments.

　　Factors Affecting Temperature Resistance

　　Silicone Formulation: The temperature resistance of silicone can vary depending on its formulation. Standard silicone typically handles temperatures up to +230＜C (+446＜F), but specialized high-temperature silicones can tolerate even higher temperatures.

　　Additives and Fillers: Additives and fillers can enhance silicone¨s properties, including its temperature resistance. For instance, silicone compounds with added fillers may improve thermal stability and reduce the effects of extreme temperatures.

　　Application Conditions: The actual performance of silicone parts in extreme temperatures also depends on the specific conditions of use, such as exposure duration, thermal cycling, and mechanical stress. Proper material selection and design considerations are essential to ensure optimal performance.

　　custom silicone parts

　　Applications of High-Temperature Silicone Parts

　　Automotive Industry: Silicone seals and gaskets are used in engines, exhaust systems, and other high-heat areas to provide reliable sealing and performance under extreme temperatures.

　　Aerospace Industry: Silicone components in aircraft and spacecraft must withstand temperature fluctuations during flight and re-entry, making silicone an ideal material due to its thermal stability.

　　Electronics: Silicone encapsulants and insulators protect electronic components from heat and ensure reliable operation in high-temperature environments.

　　Cooking Appliances: Silicone bakeware and kitchen tools are designed to endure high temperatures in ovens and dishwashers, ensuring durability and safety.

　　Conclusion

　　Custom silicone parts are highly capable of withstanding extreme temperatures, making them suitable for a wide range of applications in both low and high-temperature environments. Their flexibility at low temperatures and stability at high temperatures provide exceptional performance and reliability. By choosing the right silicone formulation and considering application-specific factors, you can ensure that your custom silicone parts will perform effectively under challenging conditions.

　　Whether you need parts for automotive, aerospace, electronics, or any other demanding application, custom silicone parts offer the temperature resilience required for long-lasting and reliable performance.

　　When a novice sends express, they are most afraid of falling into traps: lost parcels, poor after-sales service, various surcharges… Adding all these together, it can be said that there are traps everywhere.Down-to-earth right freight agents In-depth research is the only way to pursue development. https://flyportt.com/

　　Today, FLY will give you a brief introduction to the international express mailing process to avoid being cheated.

　　1. Preparation stage

　　Choose a courier company: First, you need to choose an international courier company with good reputation and high-quality service. Common international courier companies include DHL, UPS, TNT, FedEx, etc., and domestic SF Express, EMS, etc. also provide international courier services.

　　Understand prohibited items: Before preparing to mail, be sure to understand the regulations of the customs of each country on prohibited items to ensure that the items you are sending are not prohibited. This includes prohibited items, dangerous goods, fragile items, etc.

　　Prepare the package: Choose appropriate packaging materials according to the nature and quantity of the items to be sent to ensure that the items will not be damaged during transportation. At the same time, make sure that the package is clearly labeled with the recipient’s address and contact information.

　　international mailing process

　　2. Delivery stage

　　Fill in the waybill: Fill in the waybill at the courier company outlets or online platforms, including the sender, recipient’s name, address, contact information, and basic information such as the weight and size of the package.

　　Payment: Pay the corresponding freight according to the selected courier’s charging standards. Payment methods usually include cash, bank cards, online payment and other options.

　　Sending packages: hand over the package to the courier or deliver it to the courier company outlet/third-party shipping company warehouse to complete the delivery procedures.

　　international mailing process

　　3. Transportation stage

　　Sorting and packaging: After receiving the package, the courier company/third-party shipping company will sort and pack it to ensure that the package can reach the destination safely and quickly.

　　Customs inspection: During the international transportation process, the package needs to be inspected by the customs of each country. If the package contains items restricted or prohibited by customs, it may be detained or returned.

　　Transshipment and delivery: After the package passes customs inspection, it will be transshipped according to the predetermined route and finally delivered to the recipient. The courier company will notify the recipient of the arrival of the package through SMS, email, etc., and provide the corresponding pickup method.

　　international mailing process

　　4. Signing for and after-sales service

　　Signing for the package: After receiving the package, the recipient needs to check whether the information on the package is consistent with his own, and check whether the items in the package are intact. If there is any problem, you can contact the express company in time for processing.

　　After-sales service: If the recipient finds that the item is damaged or lost after signing for the package, he or she can contact the courier company to make a claim. The courier company will make compensation according to relevant regulations.

　　Plastic is one of the greatest inventions of the 20th century, but because it is “not environmentally friendly”, it has now been banned or abandoned in many fields. One of the products that replaced it is “degradable plastic”, such as compostable PLA straws. However, is degradable plastic definitely more environmentally friendly? How can it be degraded? How long does it take? Today we will learn more about the knowledge of degradable plastics.As we all know, biodegradable mailing bags The emergence of the market is worthy of many people’s attention, which has aroused the waves of the whole market. https://biodegradable-gd.com

　　If “degradable” is understood as an absolute concept, then all kinds of plastics can basically be degraded in some way in a long or short period of time and in some environment. If this discussion is meaningful, “degradable” should be understood as a relative concept-what substance (toxic or not) can be degraded in what way and in what environment in how long?

　　At present, the more authoritative definition of degradable plastics is: a type of plastic that can eventually be completely degraded into carbon dioxide (CO2) or/and methane, water (H2O) and mineralized inorganic salts of its elements and new biomass under various conditions in nature. In the definition, various conditions in nature are generally divided into six categories: soil, compost (including traditional compost and garden compost), marine environment, freshwater environment, sludge anaerobic, and high solid anaerobic. Therefore, for the definition of degradable plastics, we can summarize it in one sentence: most of the components of degradable plastics can be almost completely degraded into common substances in nature in the corresponding natural environment.

　　PLA is a biodegradable and bioactive thermoplastic derived from renewable resources such as corn starch, sugarcane, or cassava. Unlike petroleum-based plastics, PLA is designed to break down more readily under specific conditions. The process of making PLA involves fermenting the sugar from these renewable resources to produce lactic acid, which is then polymerized to form polylactic acid.

　　Degradable plastics on the market generally refer to biodegradable plastics. Biodegradation usually refers to the ability to completely degrade into carbon dioxide, water, inorganic salts and new biomass with the participation of microorganisms in nature. This is also the reason why everyone thinks biodegradable plastics are more environmentally friendly.Depending on the raw materials of plastics, biodegradable plastics can be divided into “bio-based biodegradable plastics” and “fossil-based biodegradable plastics”. The former is commonly polylactic acid PLA (mostly used for disposable straws), the raw materials are mainly corn starch, and may also be other biomass; the latter is commonly PBAT, which is made from petrochemical resources (including coal and oil). If you have biodegradable plastic bags at home, you can look at the product logo, which generally contains PBAT.

　　It can be seen that, whether bio-based or fossil-based, these biodegradable plastics are not like fallen leaves that can be completely degraded by simply throwing them on the ground. In theory, biodegradable plastics can be degraded or recycled in a variety of environments, but the best is to use industrial high-temperature composting to completely degrade them in a shorter period of time. According to this idea, degradable plastic waste should be thrown into kitchen waste bins or wet garbage bins, and then sent to industrial composting equipment.

　　Biodegradable PLA straws have the potential to degrade under specific conditions, primarily in industrial composting facilities. While they offer an improvement over traditional plastic straws in terms of environmental impact, their real-world effectiveness is limited by infrastructure and disposal challenges. To truly capitalize on the benefits of PLA straws, we must invest in better waste management systems, educate consumers, and continue to innovate in the field of sustainable materials. By doing so, we can move closer to a future where single-use items have minimal environmental impact.