I ?Pva 1788 12 Mesh

We are leading manufacturer, supplier and exporter of i ?PVA 1788 12 Mesh in Wuda, Nei Monggol, China available with following details.

1.Application
Paper sizing agent
Warp sizing in textile
Adhesive
Raw material of polyvinyl alcohol panel and PVA thin film
Paint and Coatings
Medicinea cosmetic and functional materials
Emulgator and dispersing agent.

2.Specifications
a. Hydrolysis degree: 87.0%- 89.0%
b. Purity: a Y93.5%
c. Viscosity: 21.0 - 28.0mpa.s
d. Volatilei a 5.0%
e. PHi 5~7
f. Ashi a 0.4%
3.Storagei The material is very stable with no risk of molding and deteriorating. Under dry
condition. Indefinite when protected from moisture.
4.Pouring a certain amount of water into the dissolving tank, the
water temperature should be below 30 a , 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 a about 1 hour.
5.Method of analysis: Viscosity is measured in 4% aqueous solution at 20 a . By a
Brook field type viscosity meter. PH is measured in 4% aqueous solution at 20 a Ash
expressed as Na2O.