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Shuangxin Polyvinyl Alcohol PVA 1799 For PVA Film
1. Description of Product
Appearance: White Powder or flakes
Solubility: Stable in almost all organic solvents. Not dissolved in animal and plant oils and grease.
Items
Specification
Hydrolysis degree
99.3%-100.0%
Purity
≥93.5%
Viscosity
22.0-31.0mpa.s
Volatile
≤5.0%
PH
5~7
Ash
≤0.7%
2. Specifications
3. Application
Paper sizing agent
Warp sizing in textile
Adhesive
Raw material of polyvinyl alcohol panel and PVA thin film
Paint and Coatings
Medicine、cosmetic and functional materials
Emulgator and dispersing agent.
4.Storage:
The material is very stable with no risk of molding and deteriorating. Under dry condition. Indefinite when protected from moisture.
5. Dissolving Method:
Pouring a certain amount of water into the dissolving tank, the water temperature should be below 30 ℃, then start the blender and pour into PVA slowly, the filling speed with PVA should be keep into 10 kilograms per minutes advisable. Confirm the PVA powder has fully dispersed (about 10-20 minutes) then heat the solution, and it can be completely dissolved when heat to 90 ℃ about 1 hour.
6. Method of analysis:
Viscosity is measured in 4% aqueous solution at 20℃. By a Brookfield type viscosimeter. PH is measured in 4% aqueous solution at 20℃ Ash expressed as Na2O.
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Main Product:
PVC Resin,
Paste PVC Resin,
Titanium Dioxide,
PVA Polyvinyl alcohol ,
Carbon Black,
Sodium Hexametaphosphate
