China Professional Direct Sale Wholesale PVA Granules PVA2699 Polyvinyl Alcohol PVA Powder, Find details about China PVA, Polyvinyl Alcohol from Professional Direct Sale Wholesale PVA Granules PVA2699 Polyvinyl Alcohol PVA Powder
Polyvinyl Alcohol is a few kind of synthetic with water soluble high-molecular polymer. The main specification includes degree of polymerization & alcoholysis and other special performance. Polyvinyl Alcohol is manufactured by polymerization of vinyl acetate in methanol solvent, then undergoing alcoholysis via advanced belt-process of low-alkali. After grinning, drying and packing, the end PVA products are achieved.
Item | PVA 24-88 |
Hydrolysis%(mol/mol) | 87.0-89.0 |
Viscosity mpa.s | 45.0-55.0 |
Volatile(%max) | 5.0 |
Ash (%max) | 0.5 |
pH value | 5-7 |
Purity (%min) | 93.5 |
Fineness | 20mesh |
Product Features of PVA / Polyvinyl Alcohol Powder
Water -soluble; High polymer;
Non-toxic,insipid and non polluting;
Good chemical Stability.
Good adhesion;Film-forming ability;
Insulation;Oil Resistance;
Abrasion resistance; Gas Barrier Properties,etc.
1,It is mainly used in textile industry warp sizing, fabric finishing agent, vinylon fiber raw material.
2,Construction decoration industry 107 adhesive, internal wall paint, adhesive;
3,The chemical industry is used as polymerization emulsifier, dispersant and polyvinyl alcohol, formaldehyde, acetaldehyde and butyraldehyde resin.
4,Paper industry used as a paper adhesive;
5,Agriculture is used for soil improvement agent, pesticide adhesion synergist and polyvinyl alcohol film;
6,It can also be used in daily cosmetics and high frequency quenching agents.