POLYVINYL CHLORIDE RESIN
PVC resin is made with suspension polymerization. The quality is stable and reaches the advanced level of foreign products. It won a superior prize national from nation and the Ministry of chemical industry for many times.
Properties: white powder; wide rang in sizes; good chemical steadiness and dielectric property.
Uses: Piping, hard transparent plate, film and sheeting, photograph records, PVC fibers, plastics blowing, insulating materials.
Packing: 25kg bags.
Standard of Identity: GB 5761-93
NO | \Type
\Grade
\Specification | SG3 | SG5 |
super | 1st | standard | super | 1st | standard |
1 | Viscosity number ml/g K - Value
Average polymerization degree | 135-127
(K72-71)
[1350-1250] | 118-107
(K68-66)
[1100-1000] |
2 | Number of impurity ≤ | 16 | 16 | 16 | 16 | 30 | 90 |
3 | Volatile matter and moisture% ≤ | 0.30 | 0.40 | 0.40 | 0.40 | 0.40 | 0.50 |
4 | Bulk density g/ml ≥ | 0.45 | 0.45 | 0.45 | 0.45 | 0.42 | 0.40 |
5 | Residual% | Particle size | 0.25mm ≤ | 2.0 | 2.0 | 8.0 | 2.0 | 2.0 | 8.0 |
Particle size | 0.063mm ≥ | 90 | 90 | 80 | 90 | 90 | 80 |
6 | Fish hole number/400cm2 ≤ | 20 | 20 | 20 | 20 | 40 | - |
7 | Plasticizer absorption (per 100g resin) g ≥ | 26 | 20 | 20 | 20 | 25 | - |
8 | Whiteness (160℃,100min) % ≥ | 74 | 74 | 74 | 74 | - | - |
9 | Conductivity of water extract ion solution s/m ≤ | 5×10-3 - | - |
10 | VCM residuals ug/g ≤ | 8 | 10 | - | 8 | 10 | - |
NO | \Type
\Grade
\Specification | SG7 | SG8 |
super | 1st | standard | super | 1st | standard |
1 | Viscosity number ml/g K - Value
Average polymerization degree | 95-87
(K62-60)
[850-750] | 86-73
(K59-55)
[750-650] |
2 | Number of impurity ≤ | 20 | 40 | 100 | 20 | 40 | 100 |
3 | Volatile matter and moisture% ≤ | 0.40 | 0.40 | 0.50 | 0.40 | 0.40 | 0.50 |
4 | Bulk density g/ml ≥ | 0.48 | 0.45 | 0.40 | 0.48 | 0.45 | 0.40 |
5 | Residual% | Particle size | 0.25mm ≤ | 2.0 | 2.0 | 8.0 | 2.0 | 2.0 | 8.0 |
Particle size | 0.063mm ≥ | 90 | 90 | 80 | 90 | 90 | 80 |
6 | Fish hole number/ |
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