Customization: | Available |
---|---|
Molecular Principal Chain: | Carbon Chain Polymer |
Color: | White |
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Items | SG3 | SG4 | SG5 | SG7 | SG8 |
Quality Standard | GB5761-93 | GB5761-93 | GB5761-93 | GB5761-93 | GB5761-93 |
K value | 72-71 | 71-72 | 68-66 | 66-68 | 59-55 |
Viscosity Number, ml/g | 135-127 | 127-135 | 118-107 | 107-118 | 86-73 |
The average degree of polymerization | 1370-1251 | 1250-1350 | 1135-981 | 980-1080 | 740-650 |
Number of Impurity Particles | ≤16 | ≤16 | ≤16 | ≤16 | ≤20 |
Volatile Content (incl. water), % | ≤0.30 | ≤0.30 | ≤0.40 | ≤0.40 | ≤0.40 |
Apparent Density, g/ml | ≥0.45 | ≥0.53 | ≥0.48 | ≥0.53 | ≥0.53 |
0.25mm Sieve Retained, % | 1.0 max | 1.0 max | 1.0 max | 2.0 max | 2.0 max |
0.063mm Sieve Retained, % | 98 min | 98 min | 95 min | 97 min | 97 min |
No. of Grain/400cm2 | 10 max | 10 max | 10 max | 20 max | 20 max |
Plasticizer absorption of 100g resin, g | ≥26 | ≥19 | ≥25 | ≥16 | ≥14 |
Whiteness (160°C, after 10 min), % | ≥80 | 80 | ≥75 | 80 | ≥75 |
Residual Content, mg/kg | 1 | 1 | 1 | 1 | 1 |
VCM Residue, ppm | ≤3 | ≤3 | ≤3 | ≤3 | ≤3 |