Product Name: Polyvinyl Alcohol flake
CAS No.: 9002-89-5
EINECS: 209-183-3
Appearance: White powder
Polyvinyl Alcohol Flake
Technical Parameters
|
Specification |
17-99F(H) |
17-99F(L) |
17-99F(L) |
|
Alcoholysis %(mol) |
99.8-100 |
99.8-100 |
99.8-100 |
|
Viscosity %≤ |
9.0 |
7.0 |
7.0 |
|
Sodium Hydroxide %≤ |
0.30 |
0.30 |
0.30 |
|
Residual Acetic Acid %≤ |
0.20 |
0.20 |
0.20 |
|
Sodium HAcetate %≤ |
7 |
2.5 |
2.5 |
|
Purity %≥ |
84.7 |
92.0 |
92.0 |
|
Transparency %≥ |
90.0 |
90.0 |
90.0 |
|
Coloring Degree %≥ |
84.0 |
86.0 |
86.0 |
|
Swelling Capacity % |
190±15 |
145±15 |
145±15 |
|
Average Degree of Polumerization |
1750-1900 |
1750-1900 |
2450-2650 |
|
Molecular Weight |
77000-83600 |
77000-83600 |
107800-116600 |
|
Appearance |
White flocculent |
White flake |
White flake |
Application
- In the textile industry , they are mainly used as yarn pulp, fabric finishing agents, and raw materials of vinylon fibers
- In the construction and decoration industries, they can be used as mortar cement additives, paint additives for interior and exterior walls, and molding plate adhesives
- In the chemical industry, they can be used as polymerization emulsifiers, dispersants, and raw materials for the production of PVF, acetal and butyral resins
Package
25kgs/bag or 800kgs/bag
