Vinyl Chloride And Vinyl Acetate Copolymers Quality Standard (XHQB-4)
| GRADE | MLC-20 | LC-40 | TLC-40-43 | MLC-14-40 | MLC-14-55 | MLC-14-62 | MLC-10-80 |
Composition (%) | Vinyl Chloride 80% | Vinyl Chloride 60% | Vinyl Chloride 60% | Vinyl Chloride 86% | Vinyl Chloride 86% | Vinyl Chloride 86% | Vinyl Chloride 90% |
Vinyl Acetate 20% | Vinyl Acetate 40% | Vinyl Acetate 40% | Vinyl Acetate 14% | Vinyl Acetate 14% | Vinyl Acetate 14% | Vinyl Acetate 10% | |
K value | 46-48 | 48-50 | 41-43 | 38-42 | 46-48 | 49-51 | 58-60 |
Viscosity ml/g | 53-57 | 54-58 | 40-46 | 36-44 | 52-56 | 60-64 | 82-88 |
TG Value ℃ | About 70 | About 60 | About 58 | About 70 | About 72 | About 74 | About 79 |
Average Molecular Weight | About 25000 | About 55000 | About 30000 | About 22000 | About 27000 | About 35000 | About 44000 |
% by wt,through 50 mesh | 100% | ||||||
Apparent density g/ml | ≥0.5 | ||||||
Appearance | White powder | ||||||
Whiteness | ≥80 | ||||||