PVA (Poly Vinyl Alcohol)

Introduction
1. Name: Poly vinyl Alcohol(POVAL), PVA
2. Molecular formula: [C2H4O]n
3. Molecular weight: 44.05
CAS code: 9002-89-5
4. Specification: Power 1799, 2099, 2488, 1788, 0588
5. Physical Property: Density: Relative density of polyvinyl alcohol (25Degrees / 4 Degrees) 1.27 ~ 1.31 (solid), 1.02 (10% solution.
6. Usage: Fiber can be divided into basic and non-fiber products that we tend to non-fiber, more extensive use, can be used in coatings, adhesives (to prevent the paint from the skin, loss), textile, construction, wood processing, paper making, printing. Play a major role in bonding.
7. Chemical properties: Soluble in water, heated to completely dissolve the general need to 65 ~ 75 Degrees. Not dissolve in gasoline, kerosene, vegetable oil, benzene, toluene, dichloroethane, carbon tetrachloride, acetone, ethyl acetate, methanol, ethylene glycol, etc., slightly soluble in DMSO. 120 ~ l50 Degrees soluble glycerol, however, a jelly when cold to room temperature.