What is PVC ?
Polyvinyl chloride, commonly known as PVC, is a versatile synthetic polymer that has found widespread use in various applications. PVC is a type of plastic derived from vinyl chloride monomers and its unique properties make in a valuable material in multiple industries.
PVC is well-known for its durability, resistance to moisture and chemical stability. It is a thermoplastic, meaning it can be repeatedly heated and molded without undergoing significant chemical change. This characteristic makes PVC suitable for various manufacturing processes, including extrusion, injection molding and calendaring.
One of the most common applications of PVC is in the production of pipes and fittings for plumbing, drainage and irrigation systems. PVC pipes are prized for their lightweight, corrosion-resistant nature, making them a popular choice for both residential and industrial use. They have largely replaced traditional materials like metal and clay in these applications due to their cost-effectiveness and ease of installation.
Additionally, PVC is extensively used in the construction industry for siding, roofing membranes, window frames and electrical insulation. Its low thermal conductivity makes it an energy-efficient choice for building materials. PVC’s excellent fire resistance properties also enhance its appeal for construction applications.
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PVC or polyvinyl chloride, is a versatile and widely used synthetic thermoplastic polymer. It can be classified into different categories based on its properties, intended applications and additives used in its formulation. The main classifications of PVC materials include:
Suspension Grade, Emulsion Grade and CPVC (Pipe and Fitting Grade)
PVC or polyvinyl chloride, is a versatile and widely used synthetic thermoplastic polymer. It can be classified into different categories based on its properties, intended applications and additives used in its formulation. The main classifications of PVC materials include:
Suspension Grade, Emulsion Grade and CPVC (Pipe and Fitting Grade)
Suspension grade
PVC or polyvinyl chloride, is a versatile and widely used synthetic thermoplastic polymer. It can be classified into different categories based on its properties, intended applications and additives used in its formulation. The main classifications of PVC materials include:
Suspension Grade, Emulsion Grade and CPVC (Pipe and Fitting Grade)
In the context of suspension-grade PVC, “K” stands for the degree of polymerization, which is a measure of the average chain length of the PVC polymer.
- Regular K (K – 67): This refers to PVC resin with a standard degree of polymerization, typically used for a wide range of general-purpose applications. (considered K-Value 67)
- Low K (under K-67): PVC with a lower degree of polymerization, making it more flexible and suitable for applications requiring increased flexibility.
- High K (above K-67): PVC with a higher degree of polymerization, offering increased rigidity and strength, often used in applications where durability and stiffness are important.
There are several different K-Value available in PVC Suspension grade, including:
- K-Value 50-60: PVC resins with lower K values fall in this range. These resins are typically lower in molecular weight and are considered more flexible and processable. They are often used in applications where flexibility and ease of processing are essential, such as in the production of flexible films, cables and certain types of pipes.
- K-Value 61-65: PVC resins in this mid-range of K values strike a balance between flexibility and rigidity. They are versatile and find use in various applications, including rigid pipes, fittings and profiles for construction, as well as in the manufacturing of certain consumer goods and packaging materials.
- K-Value 66-70: Higher K values represent PVC resins with a higher molecular weight. These resins are typically more rigid and offer improved mechanical and thermal properties. They are commonly used in applications where rigidity and strength are critical, such as in the production of window frames, rigid pipes and various building materials
Emulsion (Paste) Grade:
Paste grade PVC is a specialized form of polyvinyl chloride resin known for its high molecular weight and viscosity. It is typically used in the production of PVC pastes, which are thick and highly concentrated formulations of PVC in a plasticizer. These pastes are utilized in applications like vinyl floorings, wall coverings and certain types of coatings, where the PVC paste can be applied to a substrate and the plasticizer is subsequently removed to create a solid, PVC-based material. Paste grade PVC offers excellent dispersion properties and is well-suited for applications requiring adhesion, flexibility and durability.
CPVC:
CPVC, or Chlorinated Polyvinyl Chloride, is a specialized grade of PVC (Polyvinyl Chloride) designed for pipe and fitting applications. It is chemically modified through a chlorination process, which enhances its heat resistance and ability to handle high-temperature fluids, making it suitable for hot water systems, industrial processes and fire sprinkler systems. CPVC pipe and fittings are known for their corrosion resistance, durability and ease of installation due to their solvent cement joining method. This material is particularly valued for its ability to withstand elevated temperatures, making it a preferred choice in applications where standard PVC might soften or deform under heat.
some common applications and uses of PVC:
Piping and Fittings: PVC pipes are extensively used in plumbing, drainage and irrigation systems in both residential and industrial settings due to their corrosion resistance and ease of installation.
Construction Materials: PVC is used for siding, roofing membranes, window frames and electrical insulation in the construction industry. It’s valued for its low thermal conductivity and fire resistance.
Vinyl Records: PVC was historically used for manufacturing vinyl records due to its ability to hold fine grooves and produce high-quality audio.
Electrical Insulation: PVC is a popular choice for electrical wire insulation due to its excellent insulating properties and flame resistance.
Automotive Components: PVC is used in various interior components such as dashboards, seat coverings and door panels in the automotive industry.
Packaging: Flexible PVC films are used for packaging applications, such as food packaging, shrink film and blister packaging.
Medical Devices: PVC is used in medical tubing, IV bags and various medical devices due to its biocompatibility and ease of sterilization
Footwear: PVC is used to make a wide range of footwear, from sandals to rain boots, due to its water-resistant and durable nature.
Consumer Goods: PVC is used in the production of a wide array of consumer goods, including inflatable products (e.g., pool toys), garden hoses and shower curtains.
Signage and Banners: PVC sheets are commonly used for outdoor signage, banners and displays due to their weather resistance and printability.
Vinyl Flooring: PVC-based vinyl flooring is known for its durability, ease of maintenance and wide range of design options, making it a popular choice in both residential and commercial settings.
Cable Insulation: PVC is used as insulation for various cables, including power cables and communication cables, due to its electrical properties and flame resistance.
Medical and Healthcare Products: PVC is used in the production of blood bags, tubing and various medical equipment cohmponents.
Sports Equipment: PVC is used in the manufacture of sports equipment, including balls, mats and inflatable structures.
Furniture and Upholstery: PVC-coated fabrics are used for upholstery, outdoor furniture and awnings due to their durability and weather resistance.
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About JILANTAI CNSIG
CNSIG INNER MONGOLIA CHEMICAL INDUSTRY CO., LTD formarly known as Jilantai CNSIG, a leading innovator in polymer solutions, specializes in the production of high-quality PVC Suspensions K67. With a commitment to excellence, our CNSIG grade PVC exhibits outstanding performance and versatility. Renowned for its reliability, our product caters to diverse industries, ensuring optimal results in applications ranging from construction to packaging. Backed by cutting-edge technology and stringent quality control, Jilantai CNSIG is a trusted brand for superior PVC solutions. Known for a seamless blend of innovation, quality and reliability in the ever-evolving world of polymers.
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The company has total assets of more than 14 billion yuan, annual operating income of more than 10 billion yuan, total annual profit of more than 1 billion yuan, annual tax of more than 1 billion yuan and more than 8000 employees. It is a large cross regional and cross industry enterprise group with resource advantages, location advantages, technical advantages and management advantages.