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Standard:GB/T 5761-93
Uses:It is widely used in industry, agriculture, war industry and commercial purpose.
Technical requirements:
| No. |
 |
SG8 |
| Top-grade |
First grade |
Qualified product |
| 1 |
Viscosity number , ml/g
K value
Average degree of polymerization |
86-73
(59-55)
(750-650) |
| 2 |
Number of impurity particles ≤ |
20 |
40 |
100 |
| 3 |
Volatile matter(include water), % ≤ |
0.40 |
0.40 |
0.50 |
| 4 |
Apparent Density , g/ml ≥ |
0.48 |
0.45 |
0.40 |
| 5 |
0.25mm sieve pore ≤ |
2.0 |
2.0 |
8.0 |
| 6 |
0.063mm sieve pore ≥ |
90 |
90 |
80 |
| 7 |
Number of fish-eye,p/400cm2 ≤ |
30 |
50 |
-- |
| 8 |
Plasticizer adsorption per 100g resin, g ≥ |
14 |
14 |
-- |
| 9 |
Whiteness(160°C, 10min) ≥ |
70 |
-- |
-- |
| 10 |
conductivity of water extraction liquid, S/m ≤ |
-- |
| 11 |
Residual VC, mg/kg ≤ |
8 |
10 |
-- |
* It is made on the basis of top-grade standard of OCT 14332, is similar to the standards of Suspension general-purpose PVC resin in Japan. No.:ZBCZ10214
Molecular formula:
Relative molecular mass :36875-93750
Properties: Appearance is white formless powder, without obvious Melting point. Good insulation and stability
Packing & Storage: film bag lined kraft bag; In dry and ventilating place, transport in clean conveyance with shield, avoid rain
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