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Item | P450 |
K-value | 67-70 |
Mean Degree of Polymerization ≤ | 1150 ± 150 |
Brookfield Viscosity mpa.s DOP 60% 50r/m ≤ | 7000 |
Volatile (including water)%≤ | 0.40 |
Screen Residue (mesh 0.063mm)% ≤ | 1.0 |
ResidueVCMmg/kg ≤ | 10 |
Impurity particle number ≤ | 20 |
Item | P440 |
K-value | 73-75 |
Mean Degree of Polymerization ≤ | 1450 ± 200 |
Brookfield Viscosity mpa.s DOP 60% 50r/m ≤ | 5000 |
Volatile (including water)% ≤ | 0.40 |
Screen Residue (mesh 0.063mm)% ≤ | 1.0 |
Residue VCM mg/kg ≤ | 10 |
Impurity particle number ≤ | 20 |