Product Name Polyvinyl Alcohol (PVA)
CAS No 9002-89-5
Molecular Formula (C2H4O)x
Application Polyvinyl alcohol is used as an emulsion polymerization aid, as protective colloid, to make polyvinyl acetate dispersions. This is the largest market application in China. In Japan its major use is vinylon fiber production.
Specification
Specification |
100-27(1799) |
088-20(1788) |
088-50(2488) |
Viscosity ( mpa.s ) |
22.0~30.0 |
20.0~26.0 |
45.0~55.0 |
Hydrolysis Degree [%(mol/mol)] |
99.0~100.0 |
87.0~89.0 |
87.0~89.0 |
Volatile (wt%) ≤ |
≤ 5.0 |
≤ 5.0 |
≤ 5.0 |
Ash (%) |
≤ 0.5 |
≤ 0.5 |
≤ 0.5 |
PH Value |
5 ~ 7 |
5 ~ 7 |
5 ~ 7 |