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Polyvinyl alcohol powder for building mortar additives, he can improve the flexibility of mortar, water retention, and improve the viscosity of slurry. In addition, he can reduce the friction of mortar, so as to enhance work efficiency and quality, prevent the plaster layer crack, fall off, increase the adhesion strength and smoothness.
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.
Pva can be made into pva fiber through wet spinning,heat treatment and crimping-oiling in water,which own superior physical properities and chemical stability.
Pva can be used as texitel sizing and warp sizing widely.it is easy to make pva sizing agent and this agnet has good adhesion to cotton,line,polyester,vinylone and viscose fiber.
Pva solution has very good adhesion to cellulose and the solution is very stable.it is widely used in printing and paper processing to replace starch,sodium silicate or use together.pva can be used as remoisture adhesive in stamp,label and packing industry due to good water solubility.urea folmaline resin with pva can be used as the adhesion of polywood due to good adhesion,water resistance and quick solidity.
Water soluble paint based on pva is no expansion, no embrittlement,no toxicity and hazard,convinence to be used and lower in price.it is widely used as construction paints,such as building interior and exterior wall,floorboard,etc.
stabilizer operation can be classified roughly into two categories:for PVAC emulsion and suspending agent for PVC polymerization.
Butyral resin production
Pva can be made into butyral resin by reaction with aldosterone in acid condition.
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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