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| PP Cas 9003-07-0 |
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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 and oxidation.
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Number
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Project
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Unit
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H40S
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Test value
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Test Methods
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1
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Melt mass-flow rate(MFR)
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Nominal value
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g/10min
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37
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37.3
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GB/T 3862
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Deviation
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¡À37
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2
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Isotactic index
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%
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>=96.0
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97.51
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GB/T 2412
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3
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Particle appearance
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Color grain
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Pc/kg
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<=5
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0
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SH/T 1541-2006
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Black grain
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Pc/kg
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0
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0
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Large and small grains
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g/kg
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<=100
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0.1
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Snake skin grains and trailing grains
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Pc/kg
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report
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25
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4
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Impurities and others
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Pc/kg
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no
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no
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SH/T 1541-2006
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5
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Ash
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%
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<=0.030
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0.014
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GB/T 9345.1
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6
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Tensile properties
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Tensile modulus of elasticity(Et)
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MPa
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>=1200
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1250
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GB/T 1040
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Tensile yield stress(¦Ò y)
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MPa
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>=30.0
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30.9
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Tensile stress atbreak(¦Ò B)
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MPa
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>=8.0
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20.7
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Nominal tensile strain at break(¦Å tB)
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%
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>=200
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566
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Test conclusion
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Qualified
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1.Fiber ( Carpet, Textils, 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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