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日期:2022-06-21PVB also called polyvinyl butyral resin, chemical properties: density 1. 7 g/cm3. Refractive index 1. 488 (20 ℃). Bibulous rate is not greater than 4%. Softening temperature 60-65 ℃. Soluble in methanol, butyl alcohol, acetone, methyl ethyl ketone, ring already ketone, methylene chloride, chloroform
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日期:2022-06-21PVB also called polyvinyl butyral resin, chemical properties: density 1. 7 g/cm3. Refractive index 1. 488 (20 ℃). Bibulous rate is not greater than 4%. Softening temperature 60-65 ℃. Soluble in methanol, butyl alcohol, acetone, methyl ethyl ketone, ring already ketone, methylene chloride, chloroform
