EN
Wanwei PVA 17-99 (L) & PVA 100-27（BF-17 & PVA 117 & PVOH 28-98）
Description
Overview
The appearance of PVA is white flake, granular or powdery solid (low-alkali alcoholysis process) or white flocculent solid (high-alkali alcoholysis process). It is a kind of water-soluble polymer with wide application, and its performance is between plastic and rubber. It has unique strong adhesion, film flexibility, oil resistance, surface activity, gas barrier, wear resistance and so on.
Technical Data
|
Item |
Hydrolysis (mol%) |
Viscosity (mpa.s) |
Volatile (%≤) |
Ash (%≤) |
PH (Value) |
Purity (% ≥) |
|
17-99（L） |
99.0-100.0 |
22.0-32.0 |
≤7.0 |
≤0.5 |
5~7 |
≥93.5 |
|
17-99（H） |
99.0-100.0 |
20.0-26.0 |
≤8.0 |
≤2.8 |
7~10 |
≥93.5 |
Package
12.5 kg/bag, 25 kg/bag.
Storage
Avoid generation or accumulation of dusts. Take precautionary measures against static discharges, earth/ground all equipment. Avoid contact with heated or molten product. Do not breathe dust, fumes or vapors from heated product. Use local exhaust ventilation in processing area. Take precautionary measures against direct sunlight and rain drenching during transport. Keep transportation vehicle clean. Avoid packaging destruction and keep away from impurity.
