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Polyvinyl alcohol (PVA)

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Product Description

Polyvinyl alcohol (PVA) resin is a kind of heavy polymer. 
It is usually a white or slight yellow floccules, flake, granular or powder in appearance
PVA is non-toxic, insipid and non-polluting. PVA is a kind of water-soluble resin with good chemical stability.
It also has good adhesion,film-forming ability, insulation, oil resistance, abrasion resistance and gas berrier properties, and has typical chemical properties of polyols and can make esterification, etherification, acetalization reactions.
It usually used into the Textile industry,construction and decoration industries, chemical industry, paper-making, agriculture, petroleum exploitation, and also cosmetics, pharmaceuticals, printing, ceramics, steel, electronics, electroplating and so on.

Type

Main Application

24-88P

Cement mortar, putty additives, re-wetting adhesive,PVC, PS suspension granulating agents,Thickeners, fluorescent screen sensitive adhesive.

17-88P

Cement mortar, putty additives, PVAC emulsion, re-wetting adhesive, cosmetics, halftone photographic film

05-88P

Cement mortar, putty additives, filament yarn sizing agents, PVAC latex, coated paper coating agents, zinc plate printing photographic film, re-wetting adhesive.

Technical Index

Item

05-88P

17-88P

24-88P

Averagepolymerization(Dp)

550-650

1700-1800

2400-2500

Molecular weight(Mn)

27000-32000

84000-89000

118000-124000

Viscosity Cps

5-6

21-26

44-50

Alkalization(Wt%)

86-89

86-89

86-89

volatility(Wt%)

Less than 5

Less than 5

Less than 5

Ash(Wt%)

Less than 0.5

Less than 0.5

Less than 0.5

PH

5-7

5-7

5-7

Fineness

Min. 80 mesh

Min. 80 mesh

Min. 80 mesh

Solubility limit

20%-30%

15%-20%

10%-15%

 

Packing: Kraft paper package with plastic film inside, 20kg/25kg per bag.

 

Storage: The products should be stock indoor where room temperature is 5-30℃, dry& well-ventilated place, storage by batches. Keep away from the power, prevent humid, and avoid sun exposure. It is strictly forbidden to store together with volatile chemicals to prevent adsorption deterioration.

 

Transportation:

When transporting, clean vehicles are required, need pay attention to avoid moisture, rain and sun protection. Handle with care to prevent damage the packaging. It is strictly forbidden to store together with volatile chemicals to prevent adsorption deterioration.

 


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