China Wholesale - Technical Grade VP/VA Copolymer – Y&R

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China Wholesale - Technical Grade VP/VA Copolymer – Y&R Detail:

VP/VA Copolymers are with different rations of vinylpyrrolidone to vinyl acetate and available as white powder or clear transparent solutions in water,ethanol and isopropanol.It’s forms hard,glossy,flexible,water-removable,oxygen permeable films which adhere to glass,plastics and metals,these properties,coupled with the ability to control their hydrophilicity through monomer composition,lead to extensive its industrial application.

Key Technical Parameters:

Product	PVP/VA 64 Powder	PVP/VA 64W	PVP/VA 73W
Appearance	White to creamy white powder	Transparent to slight yellowish liquid
VP/VA	60/40	60/40	70/30
K Value	27-35	27~35	27~35
Monomers	0.2% max.	0.2% max.	0.2% max.
Water	5.0% max.	48~52%	48~51%
Solid Content	95% max.	48~51%	48~52%
Sulphated Ash	0.1% max.	0.1% max.	0.1% max.
pH Value(10% in water)	4.0~7.0	4.0~7.0	4.0~7.0

Applications:

VP/VA copolymers widely industrial application are in hot melt adhesives,photoresist binders and coatings for ink jet media paper,plastic film,Agriculture & other substrates.

*Coatings on paper,film,other substrates *Water remoistenable adhesives

*Water soluble adhesives *Decorative and protective coatings

*Photoresist/solder mask binders *Agricultural chemicals

*Bioadheives *Protective masks

*Plant leaf sprays

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China Wholesale - Technical Grade VP/VA Copolymer – Y&R , The product will supply to all over the world, such as: , , ,

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