Specification :
Description:
Polyvinyl alcohol( [ CH2CH( OH) ] n)
2.Properties:
White sheet, flocculent or powdery solid, odorless. In the air slowly heated to above 100 discoloration, brittleness. Heated to 160 ~ 170 ether dehydration, loss of solubility, heated to 200 begin to decompose. More than 250 into the polymer containing conjugated double bonds. For the manufacture of polyvinyl acetal, resistance to gas pipelines and vinylon synthetic fibers, textile treatment agents, emulsifiers, paper coatings, adhesives and so on.
3.Packing: In 25kg net bag or the demanding of customer.
4.Specifications:
Density: 1.27 ~ 1.31 ( solid)
Refractive index: 1.49 ~ 1.52. r n
Thermal conductivity: 0.2w / ( m • K) . r n
Heat capacity: 1 ~ 5kJ / ( kg • K) . r n
Resistance: ( 3.1 ~ 3. 8) × 10© • cm. r n
Ignition temperature ( ) : 410 ( powder) r n
Explosive limit% ( V / V) : 125 ( g/ m3) "
5. Applications:
Polyvinyl alcohol is mainly used in the textile industry, warp, fabric finishing agents, vinylon fiber material; construction and decoration industry, 107 glue, interior and exterior paints, adhesives; Chemical industry as a polymerization emulsifier, dispersant and polyvinyl formal, acetal, butyral resin; paper industry as paper adhesives; agriculture for soil amendments, pesticides adhesion synergist and polyvinyl alcohol films; can be used daily aspects of cosmetics and high-frequency quenching agent.