Polyvinyl Butyral Resin 1.Excellent adhesiveness 2.Crosslinkable and compatible 3.Colorless and tranparent

Polyvinyl Butyral Resin1.Excellent adhesiveness2.Crosslinkable and compatible3.Colorless and tranparent

General Information:

This synthetic organic polymer is a member of the polyvinyl acetal family of resins produced commercially through the reaction of polyvinyl alcohol with butyraldehyde.Polyvinyl butyral(PVB) properties including high tensile strength,impact resistance,transparency and elasticity.PVB reisns are uesd in general industrial and wood coating,wash primers,ceramic substrates,composites and structural adhesives,and gravure of flexographic inks.Also it is particularly suitable as an adhesive film interlayer in laminated safety glass (LSG)in automobile windshields and architectural safety glass.

Feature:

Excellent toughness and flexibility

Excellent adhesiveness

Souble in many organic solvents

Crosslinkable and compatible

Colorless and tranparent

Specification:

PROPERTY	CONTENT
Hydroxyl content (%)	16-24
Solution Viscosity (s)*	4-200
Volatile content (%)	3 max
Acetate content (%)	0.5 max
Butyral content (%)	70-85
Glass transition temperature (°C)	70-80

10% solids in ethanol 25°C with in No. 4 ford cup.

Storage:

Packing in PP-bags each containing 12.5kgs net.

Polyvinyl butyral pvb resin