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Serial number | Project | |||||||
SG-5 | ||||||||
Premium | First grade | Qualified product | ||||||
1 | Viscosity /(ml/g) | 118-107 | ||||||
K Value | 68-66 | |||||||
Average degree of Polymerization | 1100-1000 | |||||||
2 | ≤Number of Impurity Particle | 16 | 30 | 80 | ||||
3 | Volatile Substance/% ≥ | 0.4 | 0.4 | 0.5 | ||||
4 | Volatile Conten/(g/ml) ≤ | 0.48 | 0.45 | 0.42 | ||||
5 | Sieving remainders/% | 250μmMesh ≤ | 2 | 2 | 8 | |||
63μmMesh ≥ | 95 | 90 | 85 | |||||
6 | "Fisheye" number/400cm2 | 20 | 40 | 90 | ||||
7 | 100gResin plasticizer absorption/g ≥ | 19 | 17 | ─ | ||||
8 | Whiteness(160℃,10min)/% ≥ | 78 | 75 | 70 | ||||
9 | Conductivity of water extract/[μS/(cm·g)] ≤ | ─ | ||||||
10 | Residual PVC monomer content/(μg/g)≤ | 5 | 10 | 30 | ||||
11 | The main purpose | It is a general-purpose resin and can be used to produce foamed materials, pipes, profiles, plates, etc. | ||||||






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