Characteristics and usage:

The various types of polyvinyl alcohol resin are generated by alcoholysis reaction of polyvinyl acetate that is polymerized from vinyl acetate. Its polymerization degree is between *5% and *9.9% in the shape of follcule, granular and powder, PVAL of more than *9.5% alcoholysis degree can be dissolved in hot water of *5C, *8%+/*2 can be dissolved in normal temperature water. Aqueous PVAL has good spinnability, film-forming properties, bindablility and emulsibility. It is mainly used for producing synthetic fibre, plastic, bonding agent and also for textile sizing, paper-making, process leather, building, dispersion agent for making PVC etc.

Specification of Polyvinyl alcohol

PVA Type Alcoholysis Degree% (mol/mol) Sodium Acetate%    MAX Volatile %  MAX Ash %                   MAX PH Value Viscosity (cps.)

***9 *8.****0 3 5 0.7 ***7 **6

****9 *9.****0 2.5 5 0.5 ***7 ****8 / ****2/    ****8      

****9 *9.****0 2.5 5 0.5 ***7 ****2/  ****8

****9 *9.****0 2.5 5 0.5 ***7 ****2/  ****6

****9 *9.****0 2.5 5 0.5 ***7 ****0

****2 *0.***4.0 2.5 5 0.5 ***7 ****8/        ****2

****8 *8.***9.0 2.5 5 0.5 ***7 ****8/   ****2

Packing: in *5kgs paper bag or **0kgs/**0/**0kgs big bag on pallets.

 

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Shali 

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