PVA MANUFACTURER---LIWEI CHEMICAL CO. LTD

PVA 124 & PVA 224

        Polyvinyl alcohol (abbreviated as PVA) is a kind of water-soluble resin produced by polymerization and alcoholysis of vinyl acetate. Due to its unique features of high cohesiveness, membrane tenacity, smoothness, solvent resistance, gas inhibitor, wear resistance, protective colloid, and waterproof after specially treated, polyvinyl alcohol is widely applied in textile, building, papermaking, packing, timber processing, agriculture, printing, polymer chemical, ceramic, iron and steel, electronic, electrolytic, electroplating and other industries.
        Liwei PVA can produce PVA 2499 to replace Kuraray PVA 124, and PVA 2488 to replace Kuraray PVA 224.

1. PVA 124 & PVA 224 specification:
PVA 124 is Fully Hydrolysed, equal to 2499 in Liwei PVA

PVA 124

Appearance:

White granule or power

Viscosity mpa.s:

54.0 - 66.0

Hydrolysis mol.-%:

98.0 - 99.0

Ash(%) max:

0.4

Volatiles(%) max

5.0

PH value

5-7



PVA 224 is Partially Hydrolysed, equal to 2488 in Liwei PVA

PVA 224

Appearance:

white power

Viscosity mpa.s:

40.0 - 48.0

Hydrolysis mol.-%:

87.0 - 89.0

Ash(%) max:

0.4

Volatiles(%) max

5.0

PH value

5-7



2. PVA 124 & PVA 224 Application:
PVA 124 usage
A. Textile industry PVA is mainly used as a warp dressing agent; Textile finishing agent and the raw material of vinylon.
B. Construction upholstery industry 107/801 glue, it's used as an additive of cement and mortar, inner and outer wall paints, and mounding board binder.
C. Chemical industry
D. Paper industry
E. Agriculture
F. Used as a well-fixing agent in petroleum exploitation
G. Cosmetic, printing, medicine and electronic

PVA 224 usage
It is mainly used in textile,fabric finishing agents
It is raw materials of vinylon fibers,construction,paint additives.