1. Basic characteristics
Chemical name: Polyvinyl chloride

chemical formula: (C₂H₃Cl)ₙ

Appearance: White or light yellow powder or granules

Density: 1.3-1.45 g/cm³

Melting point: 100-260 ° C (decomposition)

Solubility: Insoluble in water, soluble in certain organic solvents

2. Main types
Hard PVC: used for pipes, doors and windows, panels, etc.

Soft PVC: used for cable insulation, hoses, flooring, etc.

3. Application Fields
Architecture: pipes, doors and windows, roof materials.

Electronics: Cable insulation, sockets.

Medical: infusion bags, catheters.

Packaging: film, bottle.

Automobile: interior, seals.