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SG-3

SG-3 PVC is a type of polyvinyl chloride resin known for its lower molecular weight and ease of processing, making it ideal for applications that require flexibility, transparency, and smooth surface finishes. The "SG" designation refers to the suspension polymerization process used to produce the resin, while the "3" indicates a lower K-value, which corresponds to a lower molecular weight and viscosity. SG-3 PVC is widely used in the production of flexible and semi-rigid products, including films, sheets, hoses, and cable insulation. The material's lower viscosity allows it to be easily processed using various methods, such as extrusion, calendaring, and injection molding, enabling the production of thin, flexible products with excellent clarity and surface quality. SG-3 PVC is also commonly used in the packaging industry for producing shrink films, blister packs, and other types of flexible packaging, where its transparency and ability to conform to product shapes are highly valued. Additionally, SG-3 PVC is used in the manufacture of medical devices such as blood bags, IV tubing, and other disposable medical products that require flexibility, transparency, and biocompatibility. The material's good electrical insulation properties also make it suitable for use in the production of cable and wire coatings. However, like other types of PVC, SG-3 PVC faces environmental challenges, particularly in terms of recycling and the potential release of harmful chemicals during production and disposal. Despite these concerns, SG-3 PVC remains a popular material due to its ease of processing, versatility, and ability to meet the requirements of a wide range of applications.
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