Supplier Homepage Metallurgy, Chemicals, Rubber & Plastics Chemicals POLYVINYL ALCOHOL 17-88(088-20)

POLYVINYL ALCOHOL 17-88(088-20)

Min. Order / Reference FOB Price
1 MetricTon	US $1600.00/ MetricTon

Local Area:	Weifang, Shandong, China
R&D Capacity:	OEM, ODM, Other
Payment Terms:	LC, T/T, D/P, Paypal, Western Union

Brand:	GL
MF:	(C2H4O)n
EINECS No.:	209-183-3
Place of Origin:	China (Mainland)

Contact Now Request Sample Customized Request

Favorites

Product Description

Customer Question & Answer

Ask something for more details

(0)

Solubility: Stable in almost all organic solvents. Not dissolved in animal and plant oils and grease.
2. Application
(1) Paper sizing agent
(2) Warp sizing in textile
(3) Adhesive
(4) Raw material of polyvinyl alcohol panel and PVA thin film
(5) Paint and Coatings
(6) Medicine, cosmetic and functional materials
(7) Emulgator and dispersing agent
3. Specifications
Hydrolysis degree
87.0%- 89.0%
Purity
93.5% min
Viscosity
21.0 - 29.0mpa.s
Volatile
5.0% max
PH
5~7
Ash
0.4% max
4.Storage&Packing:
The material is very stable with no risk of molding and deteriorating. Under dry condition. Indefinite when protected from moisture. Packed by 25kgs bag.
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.