Polyvinyl Chloride PVC Resin SG3 SG5
Polyvinyl chloride PVC
Polyvinyl chloride PVC is the world's third-most widely produced synthetic plastic polymer, after polyethylene and polypropylene.
How does PVC look like?
Pure polyvinyl chloride is a white, brittle solid. It is insoluble in alcohol but slightly soluble in tetrahydrofuran and has two different shapes:
1. Rigid :
Used in: construction for pipe, doors and windows, making bottles (non-food packaging) and cards (such as bank or membership cards).
2. Flexible.
Used in plumbing, electrical cable insulation, imitation leather, flooring, signage, phonograph records, inflatable products, and many applications where it replaces rubber. With cotton or linen, it is used to make canvas.
Specification
Paste/emulslon PVC Resin for artificial leather |
Items | SG3 | SG5 | SG8 |
K value | 72-71 | 68-66 | 59-55 |
VISCOSITY NUMBER ml/g | 135-127 | 118-107 | 86-73 |
Average degree of polymerization | 1370-1251 | 1135-981 | 740-650 |
NUMBER OF IMPURITY PARTICLE | ≤16 | ≤16 | ≤20 |
VOLATILE SUBSTANCE | ≤0.3 | ≤0.4 | ≤0.4 |
VOLATILE CONTEN | ≥0.45 | ≥0.48 | ≥0.50 |
Whiteness(160℃,10min)% | ≥78 | ≥75 | ≥75 |
Packing | 25kgs two layers draft paper bag or 1000kgs PP bag |
B:Application Polyvinyl Chloride Resin is widely used in production of polyvinyl chloride boardy leatheroid, paint and adhesive agents,tec. Paint and adhesive .Division according to application: 1.Building materials: such as UPVC tubing, UPVC pipes, panel and section bars. 2.Packing materials. 3.Electronic materials: such as electronic wires, cables,adhesive tapes and bolts. 4.Furniture and decorating materials,etc. 5.Others: leatheroid, medical disposable products, antiseptic paint,etc.
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