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Polyvinyl alcohol (PVA) powder series of products is specializedin construction industry as an additive in all kinds of dry powder putty, dry mortar, tile adhesive, especially used for building putty and Mortar, improving the flexibility, water retention and increase viscosity of mortar and putty. It’s adhesion very good and used to be widely with paper making, sizing material for textile, adhesive, film, and dry mortar field.
Main features ：
Pva resin is a kind of heavy polymerization chemicals with no toxicity,no flavor and no contamination.it is white or pale yellow floccument,flake or powder in appearance.our pva is made by calcium carbide-acetylene method.PVA has good characteristic,such as thermal stability,water solubility,film formation.
Pva can dissolve together with other materials,such as starch,gum,synthetic resin,cellulose series,etc and the solution keep good stability.
Pva resin and pva film is resistant to oil,lubricant,organic solvent.PH value for pva solution is
5-7 at room temperature. the viscosity is stable and don’t be affected by weak acid,weak base or organic solvent.
Pva owns the chemical properities of esterization,etherification and acetalation for long chain alcohol.
25 kg/bag ,Within 10 days after the order confirmation
Q-----What’s the delivery term for making business with us?
A-----Usually we send tne shipments in FOB term.However, the terms of CIF are acceptable which depend on the preference of clients.
Q------What’s the lead time after placing thr order?
A------Usually it takes about 25~30 days after we received your confirmation.
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