1. Basic information
Chemical name: Polyvinyl chloride

chemical formula: (C₂H₃Cl)ₙ

CAS Number: 9002-86-2

2. Physical properties
Appearance: White powder or granules

Density: 1.3-1.45 g/cm³

Melting point: 100-260 ° C (depending on type)

Thermal stability: requires stabilizer to prevent decomposition

3. Chemical properties
Chemical resistance: acid, alkali, salt, and various solvents

Flammability: Not flammable, but decomposes to produce hydrogen chloride at high temperatures

4. Types
Suspension method PVC: universal type, used for pipes, profiles, etc

Lotion PVC: used for coatings, artificial leather, etc

Body method PVC: high transparency, used for transparent products