PP Polypropylene 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¡ãC, and can be decomposed under high temperature
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
|
¡À37
|
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(¦Ò y)
|
MPa
|
>=30.0
|
30.9
|
Tensile stress atbreak(¦Ò B)
|
MPa
|
>=8.0
|
20.7
|
Nominal tensile strain at break(¦Å tB)
|
%
|
>=200
|
566
|
Test conclusion
|
Qualified
|
-
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.)
25kg/ carton or 25kg/bag, or per your requirement
25kgs net weight in PP woven or PE plastic bag about 20 tons for 20" container
|