PRODUCT

Polypropylene / PP
Cas No.: 9003-07-0
Chemical Formula: (C3H6)n

Overview

Product Name: Polypropylene

Cas No.: 9003-07-0

Chemical Formula: (C3H6)n


NumberProjectUnitH40STest valueTest Methods
1Melt mass-flow rate(MFR)Nominal   valueg/10min3737.3GB/T 3862
Deviation
±37
2Isotactic   index
%>=96.097.51GB/T   2412
3Particle appearanceColor   grainPc/kg<=50SH/T 1541-2006
Black grainPc/kg00
Large and small grainsg/kg<=1000.1
Snake skin grains and trailing grainsPc/kgreport25
4Impurities   and others
Pc/kgnonoSH/T   1541-2006
5Ash
%<=0.0300.014GB/T   9345.1
6Tensile propertiesTensile   modulus of elasticity(Et) MPa >=12001250GB/T 1040  
Tensile yield stress(σ y) MPa >=30.030.9
Tensile stress atbreak(σ B) MPa >=8.020.7
Nominal tensile strain at break(ε tB) % >=200566
Test conclusionQualified


PRODUCT DESCRIPTION

Polypropylene is a polymer formed by addition polymerization of propylene. It is a white waxy material with a transparent and light appearance. The chemical formula is (C3H6)n, the density is 0.89~0.91g/cm3, It is flammable, with a melting point of 189ºC, softening at about 155ºC, and the use temperature range is -30~140ºC . It is resistant to corrosion by acids, alkalis, salt solutions and a variety of organic solvents below 80°C, and can be decomposed under high temperature and oxidation.

 

PRODUCT FEATURES

1. The relative density is small, only 0.89-0.91, which is one of the lightest varieties in plastics.
2. good mechanical properties, in addition to impact resistance, other mechanical properties are better than polyethylene, molding processing performance is good.
3. It has high heat resistance and the continuous use temperature can reach 110-120 °C.
4. good chemical properties, almost no water absorption, and does not react with most chemicals.
5. the texture is pure, non-toxic.
6. electrical insulation is good.

 

PRODUCT USAGE

1. Fiber ( Carpet, Textiles, Upholstery, etc.)
2. Film ( shopping bags, casting film, multilayer film, etc.)
3. Blow Molding ( Medical & Cosmetic container, Lubricant & Paint container, etc)
4. Extrusion Molding ( Sheet, Pipe, Wire & Cable, etc.)
5. Injection Molding ( Automotive, Electronic, Construction, House wares, Furniture,Toys, etc.)

 

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