polyvinyl alcohol pva powder 2488 0588

                                                                                 polyvinyl alcohol pva powder

  polyvinyl alcohol pva powder CAS 9002-89-5，Polyvinyl alcohol is an organic compound, the chemical formula is [C2H4O]n, the appearance is white flake, flocculent or powdered solid, tasteles,Which is one of the main products of our company, in addition to polyvinyl alcohol, our company also has products:PVC Resin, PVC paste resin,series pigments such as Carbon Black ,Iron Oxide and chrome,and so on.

Shuangxin Polyvinyl Alcohol PVA Resin 1799A Description:

PVA Characteristic:
(1) Solubility: hydrophilic, easily soluble in water (generally dissolved in hot water above 90℃), insoluble in almost all organic solvents.
(2) Film formation: easy to form film, the mechanical properties of the film are excellent. In addition to H2O, PVA film has excellent resistance to H₂, N2, O2 and other gases.
(3) Adhesion: good adhesion with hydrophilic cellulose, paper, etc.
(4) Thermal stability: when the 17-99 flake is heated to more than 130℃, the appearance gradually changes. Fully hydrolyzed PVA begins to melt at about 230 °C and decompose above 200 °C.
(5) Solvent resistance: PVA has strong resistance to weak acid and weak alkali, and has good oil resistance.
(6) Reactivity: with excellent cross-linking reactivity, can cross-link with boric acid, acetyl reaction with formaldehyde, acetaldehyde, etc., the product has water resistance.

SUNDY PVA 1799 Polyvinyl Alcohol PVOH for Textile