OVERVIEW
Polyvinyl chloride
The world’s third most widely produced synthetic plastic polymer, PVC is a very versatile polymer.
Common uses:
- Pipes for municipal and industrial applications
- Window frames, drainage pipes, flooring, cables & wiring
- Medical devices and blood bags
- Fashion and footwear
- Packing, credit cards, toys, sporting goods.
NSF Chemicals offer a wide variety of PVC resins suitable to our end users’ applications at the best prices in the market.
| NSF Chemicals | Type 1 | Type 2 | Type 3 | Type 4 | Type 5 | |
| Correspond GB Grade | SG-8 | SG-7 | SG-5 | SG-5 | SG-3 | |
| Polymerization degree | 650-740 | 750-850 | 980-1080 | 980-1100 | 1250-1350 | |
| K value | 55-59 | 60-62 | 66-68 | 66-68 | 71-72 | |
| Apparent density, g/ml | 0.48±0.05 | 0.48±0.05 | 0.45±0.03 | 0.48±0.05 | 0.44±0.04 | |
| Content of residue vinyl chloride, ppm | ≤30 | ≤30 | ≤30 | ≤30 | ≤30 | |
| Application | Used for medical sheets, and pipes fittings, rigid foam-cored, disks, injection-molding pieces, blow-molding products,food packaging materials, etc. | Used for rigid and semirigid products, medical sheets, boards, pipe fittings by injection molding, bottles, clear films, rigid pipe fittings by injection molding , etc. | Used for rigid PVC pipes, profiles and films | Used for tubes, profiles, sheets, clear products, monofilaments, rigid boards, disks, clear films, electrodes, fiber, etc. | Used for medical, food packaging films, matt finish products, calendering films, electric wires, cables, artificial leathers, soft profiles, hoses, cable insulation, high-strength tubes, sandals, etc. |