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The serial number | Item | SG-5 | ||||
Level | ||||||
High-class | Test result | |||||
1 | Stick,ml/g or K value(or average deg ree of polymerization) | 118-107 (1135-981) (68-66) | 109 67 | |||
2 | Impurity particles/a≦ | 16 | 16 | |||
3 | Volatile matter content(including water)%≦ | 0.3 | 0.18 | |||
4 | Apparent density/(g/ml)≧ | 0.45 | 0.534 | |||
5 | Screening mass fraction/% | 250um mesh≦ | 2 | 0.10 | ||
63um mesh≧ | 95 | 98.8 | ||||
6 | “Fish eye”number/(a/400cm²)≦ | 20 | 13 | |||
7 | 100 g resin and plasticizer absorption/g≧ | 19 | - | |||
8 | White degree(160,10min)/%≧ | 78 | 82.9 | |||
9 | Residual vinyl choride monomer content/(ug/g)≦ | 5 | - | |||




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