PVC resin SG-5(K=67) has white powder condition,always used to pipe industries and PVC profile
PVC resin SG-5(K=67) has white powder condition,made from oil,not from coal
CAS: 9002-86-2
molecular formula:C2H3ClX2
Specification:
1) Viscosity number: 113ml/g (K value: 66-68)
2) Volatiles (moisture): 0.12% (max.)
3) Impurity particle number (400cm2): 16 (max.)
5) Residue content of chloroethylene: 1 (max
6) White content (160oC, 10min): 90 (min.)
NO. | Item/Grade/Type | PVC-SG5 | PVC-SG6 | PVC-SG7 | |||||||
First Grade | Second Grade | First Grade | Second Grade | First Grade | Second Grade | ||||||
A | B | A | B | A | B | ||||||
1 | Viscosity Number mL/g | 117-107 | 105-96 | 95-85 | |||||||
2 | Apparent Densityg/M1 | 0.45 | 0.45 | 0.45 | 0.45 | 0.45 | 0.40 | 0.15 | 0.45 | 0.40 | |
3 | Plasticizer Absorption of 100g Resin, g ≥ | 19 | 19 | 13 | 16 | 16 | 13 | 14 | 14 | 13 | |
4 | Volatile matter(include water) Content%≤ | 0.40 | 0.40 | 0.50 | 0.40 | 0.40 | 0.50 | 0.40 | 0.40 | 0.50 | |
5 | Sieving Rate % | 60 meshes 0.25mm sieve pore ≥ | 98.0 | 98.0 | 92.0 | 98.0 | 98.0 | 92.0 | 98.0 | 98.0 | 92.0 |
250 meshes 0.063mm sieve pore≤ | 10.0 | 10.0 | 20.0 | 10.0 | 10.0 | 20.0 | 10.0 | 10.0 | 20.0 | ||
6 | Total number of black-yellow spot per 100g resin adnd number of black spot≤ | Total number | 30 | 30 | 130 | 30 | -30 | 130 | 30 | 30 | 130 |
| 10 | 10 | 30 | 10 | 10 | 30 | 10 | 10 | 30 | ||
7 | Whiteness % ≥ | 90 | 90 | 85 | 90 | 90 | 85 | 90 | 90 | 85 | |
8 | Number of fish eye, per 1000cm2 ≤ | 10 |
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| 10 |
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9 | Conductivity of 10% resin water extract I/(O Number of black spot , cm)≤ |
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10 | Residual vinyl chloride gas content ppm ≤ | 10 | 10 |
| 10 | 10 |
| 10 | 10 |
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11 | Thermal stability of resin |
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PVC resin k=67
