Raw material |
Composition |
Nature |
Advantage |
Shortcoming |
Use |
PVC |
PVC |
Qualities of light yellow translucent |
Acid and alkali resistance, insulation, and low prices |
Heat resistance, softening temperature of 80 ℃ |
Profiles, pipes, films, hard wood, sheet metal, soft products, packaging materials, siding, flooring, etc. |
UPVC |
Rigid PVC |
Qualities of light yellow translucent |
High melt viscosity, lightweight, non-conductive, does not burn, small resistance |
Poor mobility, poor frost and heat capacity |
Pipes, etc. |
CPVC |
PVC modified |
White or light yellow tasteless, odorless, non-toxic, loose particles or powder |
Strong acid and alkali resistance, mechanical properties, the maximum temperature of 110 ℃. |
High price |
Thermal effluent, thermal chemical agents pipeline, engineering, injection molding, etc. |
PP |
PP |
Low transparency, low gloss, low rigidity |
Resistance to chemical solvents, acid, alkali ability |
Resistant to ultraviolet optical properties, anti-other poor penetration performance are bad |
Disposable syringes and medical equipment |
PPR |
Copolymer PP was atactic polypropylene ethylene modification made on the basis of |
The monomer boy repeated linking of macromolecules |
Strong performance of the aging |
Cohesion, low melting point, poor mechanical properties |
Hot and cold water pipe, sheet, daily necessities, packaging materials, household appliances parts |
PE |
Structure of simple organic compounds of high molecular |
Granular |
Density, high strength, high stiffness, high hardness and heat resistance |
Do not wear and easy to aging |
Plastic bags, machinery parts, agricultural supplies, gas pipeline |
PVDF |
PVDF |
Translucent or white powder or granules |
Resistance to chemical corrosion resistance, heat resistance, oxidation resistance, weather resistance, ray radiation resistant properties, piezoelectric, dielectric, and pyroelectric properties |
Hydrophilic poor |
Construction, automotive decoration, household appliances, such as Shell |