Customization: | Available |
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Certification: | SGS |
Environmental Protection: | Yes |
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ITEMS | SG3 | SG5 | SG8 |
K value | 72-71 | 68-66 | 59-55 |
viscosity number ml/g | 135-127 | 118-107 | 86-73 |
average degree of polymerization | 1370-1251 | 1135-981 | 740-650 |
number of impurity particle | ≤16 | ≤16 | ≤20 |
volatile substance | ≤0.3 | ≤0.4 | ≤0.4 |
volatile conten | ≥0.45 | ≥0.48 | ≥0.50 |
whiteness(160ºC,10min)% | ≥78 | ≥75 | ≥75 |