PVC， Polyvinyl Chloride, also known as polyvinyl chloride in English, is one of the most widely used plastics in the world. From a microscopic perspective, it is a polymer compound formed by the polymerization reaction of vinyl chloride monomer (VCM). Simply put, it is a long-chain molecule composed of countless vinyl chloride small units "holding hands". PVC resin is in the form of white powder. It does not have the performance of direct processing and molding in practical applications. It is necessary to modify by adding various additives (such as plasticizers, stabilizers, lubricants, etc.) to obtain products with different properties, thereby forming diverse application forms (such as rigid pipes, flexible films, etc. are typical products).
- PVC pipes: In addition to water supply and drainage, heating systems, they are also widely used for agricultural irrigation, industrial fluid transportation, etc. Its corrosion resistance enables it to adapt to fluids containing acidic and alkaline chemicals, and has a long service life, generally up to 50 years or more, with low maintenance costs. PVC sheet: In addition to ceiling and wall decoration, it can also be used to make partitions, storage cabinets, floors, etc.
- PVC flooring has the characteristics of wear resistance, slip resistance, fire resistance, and easy cleaning, and is widely used in public places such as shopping malls, hospitals, and schools. PVC doors and windows: Compared with traditional wooden and steel doors and windows, PVC doors and windows not only have good thermal and sound insulation performance, but also have good sealing performance, which can effectively reduce energy consumption. At the same time, it has strong anti-aging performance, is not easy to deform and fade, and has a long service life.
- PVC film can be divided into hard film and soft film according to different processing techniques and performance requirements. Hard film can be used to make packaging boxes, trays, etc; Soft film can be used not only for food, medicine, and cosmetics packaging, but also for shrink packaging, stretch packaging, etc. It can tightly adhere to products and provide good protection and preservation. It should be noted that PVC film used for food packaging needs to meet strict hygiene standards to ensure its safety.
- Medical devices such as infusion tubes and blood bags made of PVC not only have good biocompatibility and chemical corrosion resistance, but also have certain flexibility and strength, making them easy to operate and use. In the medical field, PVC materials are usually subjected to special treatment to remove any harmful substances they may contain, ensuring that they are harmless to the human body. In addition, PVC medical devices also have advantages such as easy disinfection and recyclability.
- Automotive parts: In addition to interior parts, PVC can also be used for sealing strips, hoses, etc. in cars. Sealing strips can play a role in waterproofing, dustproof, and sound insulation; Hoses can be used for fuel systems, cooling systems, etc. in automobiles.
- Toys: PVC toys have the characteristics of bright colors, diverse shapes, and low prices, and are deeply loved by children. But PVC materials used for making toys need to comply with relevant safety standards to avoid harm to children's health.
- Cable material: PVC, as the insulation layer of the cable, has good insulation performance, aging resistance, and mechanical properties, which can effectively protect the conductors inside the cable and ensure the safe operation of the cable.
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