| CAS No.: | 9002-88-4 |
|---|---|
| Formula: | (C2h4)N |
| EINECS: | 618-339-3 |
|
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PP is a polymer formed by the addition polymerization of propylen.It is white waxy material, transparent and light in appearance.The chemical formula is (C3H6)N, the density is 0.89 ~ 0.91g/cm3, inflammable, melting point is 189ºC, softening at about 155ºC, and the operating temperature range is -30 ~ 140ºC. Under 80ºC can resist the corrosion of acid, alkali, salt solution and a variety of organic solvents, can be decomposed under high temperature and oxidation.PP is widely used in the production of fiber products such as clothing and blankets, medical instruments, automobiles, bicycles, spare parts, transportation pipes and chemical containers, as well as in the packaging of food and medicine.
PP, is a colorless, odorless, non-toxic, translucent solid material. PP is a kind of thermoplastic synthetic resin with excellent performance. It is a colorless and translucent thermoplastic lightweight general purpose plastic. With chemical resistance, heat resistance, electrical insulation, high strength mechanical properties and good high wear-resistant processing properties.
| Number | Project | Unit | H40S | Test value | Test Methods | |
| 1 | Melt mass-flow rate(MFR) | Nominal value | g/10min | 37 | 37.3 | GB/T 3862 |
| Deviation | ±37 | |||||
| 2 | Isotactic index | % | >=96.0 | 97.51 | GB/T 2412 | |
| 3 | Particle appearance | Color grain | Pc/kg | <=5 | 0 | SH/T 1541-2006 |
| Black grain | Pc/kg | 0 | 0 | |||
| Large and small grains | g/kg | <=100 | 0.1 | |||
| Snake skin grains and trailing grains | Pc/kg | report | 25 | |||
| 4 | Impurities and others | Pc/kg | no | no | SH/T 1541-2006 | |
| 5 | Ash | % | <=0.030 | 0.014 | GB/T 9345.1 | |
| 6 | Tensile properties | Tensile modulus of elasticity(Et) | MPa | >=1200 | 1250 | GB/T 1040 |
| Tensile yield stress(σ y) | MPa | >=30.0 | 30.9 | |||
| Tensile stress atbreak(σ B) | MPa | >=8.0 | 20.7 | |||
| Nominal tensile strain at break(ε tB) | % | >=200 | 566 | |||
| Test conclusion | Qualified | |||||
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