Super Purchasing for Crocodile PVC Leather Raw Material - Polyvinyl chloride resin S-700 – Junhai
Super Purchasing for Crocodile PVC Leather Raw Material - Polyvinyl chloride resin S-700 – Junhai Detail:
Polyvinyl Chloride, referred to as PVC, is one of the industrialized plastic varieties, the current output is second only to polyethylene. Polyvinyl chloride has been widely used in industry, agriculture and daily life. Polyvinyl chloride is a polymer compound polymerized by vinyl chloride. It’s thermoplastic. White or light yellow powder.It is soluble in ketones, esters, tetrahydrofurans and chlorinated hydrocarbons. Excellent chemical resistance. Poor thermal stability and light resistance, more than 100℃ or long time exposure to sunlight began to decompose hydrogen chloride, plastic manufacturing needs to add stabilizer. Electric insulation is good, will not burn.
Grade S-700 is mainly used to produce transparent flakes, and can be pressed to hard or semi-hard slice or sheet for package, floor material, hard film for lining (for candy wrapping paper or cigarette packing film), etc. It can also be extruded to hard or semi-hard slice, sheet, or irregularly shaped bar for package. Or it can be injected to make joints, valves, electric parts, auto accessories and vessels.
Specification
| Grade | PVC S-700 | Remarks | ||
| Item | Guarantee value | Test method | ||
| Average polymerization degree | 650-750 | GB/T 5761,Appendix A | K value 58-60 | |
| Apparent density, g/ml | 0.52-0.62 | Q/SH3055.77-2006, Appendix B | ||
| Volatiles content (water included), %, ≤ | 0.30 | Q/SH3055.77-2006, Appendix C | ||
| Plasticiser absorption of 100g resin, g, ≥ | 14 | Q/SH3055.77-2006, Appendix D | ||
| VCM residue, mg/kg ≤ | 5 | GB/T 4615-1987 | ||
| Screenings % | 0.25mm mesh ≤ | 2.0 | Method 1: GB/T 5761, Appendix B Method2: Q/SH3055.77-2006, Appendix A |
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| 0.063mm mesh ≥ | 95 | |||
| Fisheye number, No./400cm2, ≤ | 30 | Q/SH3055.77-2006, Appendix E | ||
| Number of impurity particles, No., ≤ | 20 | GB/T 9348-1988 | ||
| Whiteness (160ºC, 10 minutes later), %, ≥ | 75 | GB/T 15595-95 | ||
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With our loaded practical experience and thoughtful solutions, we now have been identified for a trusted provider for numerous intercontinental consumers for Super Purchasing for Crocodile PVC Leather Raw Material - Polyvinyl chloride resin S-700 – Junhai , The product will supply to all over the world, such as: Wellington, Russia, Honduras, As an experienced manufacturer we also accept customized order and we could make it the same as your picture or sample specification. The main goal of our company is to live a satisfactory memory to all the customers, and establish a long term business relationship with buyers and users all over the world.
By John biddlestone from Naples - 2017.11.11 11:41
We have been cooperated with this company for many years, the company always ensure timely delivery ,good quality and correct number, we are good partners.
By Lulu from Romania - 2017.12.19 11:10
