Adehesive and Film Grade PVB Resin

Polyvinyl butyral resin (PVB) is the synthertic resin composed of PVA and butyl aldehyde with condensation reaction. It could be soluble in methanol, ethanol, acetone, aromatic solvents, It has high transparency, good cold resistance and impact resistance, as well as good adhesion wigh glass, ceramic, metal and so on.

项目及指标WW-A-10WW-A-20WW-A-30WW-A-40WW-A-50WW-A-60WW-A-70
外观白色或微黄色粉末,无可见杂质
挥发分,% ,    ≤3.0
粘度(涂-1粘度计法),s≤55~1010~1818~3030~6060~180>180
氯化氢,% ,    ≤0.05
聚乙烯醇缩丁醛基,%68~8569~8570~85
灰分,% ,      ≤0.05

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