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General Description
CAS No. 9002-86-2
Polyvinyl Chloride or PVC resin SG3, SG5, SG7 and SG8 are homopolymers made by suspension polymerization. PVC resin is white powder form thermoplastic resin and has great versatility for making plastic products.
Main Applications
SG3 is for films, hoses, leathers, wire cables and other general purpose soft products.
SG5 is for pipes, fittings, panels, calendaring, injection, moulding, profiles, and sandals
SG7 / SG8 is for bottles, sheets, calendaring, rigid injection and moulding pipes.
Packaging
25kg PP/PE or paper bags, 1000kg jumbo bag
Technical Data Sheet
| Parameter |
Grade |
| Standard: GB5761-1993 |
SG3 |
SG5 |
SG7 |
SG8 |
| K - Value |
72 - 71 |
66 - 68 |
62 - 60 |
59 - 55 |
| Polymerizing Index |
1300 +/-50 |
1000 +/-50 |
800 +/-50 |
700 +/-50 |
| Number of impurity particles ≤ |
16 |
16 |
20 |
20 |
| Volatile content (incl. water) % ≤ |
0.30 |
0.40 |
0.40 |
0.40 |
| Apparent density ≥ |
0.42 |
0.48 |
0.48 |
0.50 |
| Particle size |
≥ 0.25mm ≤ |
2.0 |
2.0 |
2.0 |
0.4 |
| ≥ 0.063mm ≥ |
95 |
95 |
95 |
95 |
| Number of Fish Eye (/400 cm2) ≤ |
20 |
20 |
30 |
30 |
| Plasticizer absorption of 100g resin ≥ |
26 |
19 |
12 |
22 |
| Whiteness (160°C, after 10 min.) % ≥ |
78 |
78 |
75 |
75 |
| VCM Residue PPM ≤ |
5 |
5 |
5 |
5 |
