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Chlorinated polyvinyl chloride Chemical formula: [C4H5Cl3]n

Chlorinated polyvinyl chloride (CPVC) is a further chlorinated and modified derivative of polyvinyl chloride (PVC), with a chlorine content typically ranging from 65% to 72% by volume. It appears as a white powder. Depending on its degree of polymerization, CPVC can be classified into high‑viscosity, medium‑viscosity, and low‑viscosity grades. The high‑viscosity grade exhibits superior oil resistance, resistance to acid and alkali corrosion, and elasticity, whereas the low‑viscosity grade is more readily soluble in vegetable oils. Compared with PVC, CPVC dissolves more easily in esters, ketones, aromatic hydrocarbons, and other organic solvents. This material is difficult to ignite, and products made from it do not deform when immersed in boiling water. In addition to inheriting many of PVC’s excellent properties, CPVC offers significantly improved corrosion resistance, heat resistance, solubility, flame retardancy, and mechanical strength. Consequently, CPVC is a high‑performance, next‑generation material widely used in construction, chemical processing, metallurgy, shipbuilding, electrical appliances, textiles, and other fields, with exceptionally broad application prospects.

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Additive

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Chlorinated polyvinyl chloride Chemical formula: [C4H5Cl3]n

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Product Description

Product Introduction

Chlorinated polyvinyl chloride (CPVC) is a further chlorinated and modified derivative of polyvinyl chloride (PVC), with a chlorine content typically ranging from 65% to 72% by volume. It appears as a white powder. Depending on its degree of polymerization, CPVC can be classified into high‑viscosity, medium‑viscosity, and low‑viscosity grades. The high‑viscosity grade exhibits superior oil resistance, resistance to acid and alkali corrosion, and elasticity, whereas the low‑viscosity grade is more readily soluble in vegetable oils. Compared with PVC, CPVC dissolves more easily in esters, ketones, aromatic hydrocarbons, and other organic solvents. This material is difficult to ignite, and products made from it do not deform when immersed in boiling water. In addition to inheriting many of PVC’s excellent properties, CPVC offers significantly improved corrosion resistance, heat resistance, solubility, flame retardancy, and mechanical strength. Consequently, CPVC is a high‑performance new material widely used in construction, chemical processing, metallurgy, shipbuilding, electrical appliances, textiles, and other fields, with exceptionally promising application prospects.

Scope of Application

CPVC exhibits excellent high-temperature resistance, corrosion resistance, and flame retardancy, and it is relatively inexpensive compared with other thermoplastic engineering plastics. In addition to its widespread use in the production of corrosion‑resistant paints, adhesives, and synthetic fibers, it is extensively employed in residential, hotel, and restaurant plumbing for hot and cold water distribution, as well as in industrial piping, cable conduits, and profiled window and door components—alongside decorative materials for aircraft interiors and materials used in automotive and lighting applications. Furthermore, it finds limited applications in the electronics industry.

Main Technical Parameters

Application areas

Application areas: composite inks, flexible packaging inks, automotive coatings, adhesives

Chlorosulfonated polyethylene Chemical structural formula: {CHHm CHCln CHSO2Cl}x

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