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聚乙烯醇088-20

聚乙烯醇1788技术指标

指标

PVA 1788 (088-20)

醇解度%(mol/mol)

粘度 mpa.s

挥发分(%)

≤5.0

灰分 (%)

≤0.5

PH值

5-7

纯度 (%)

≥93.5



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PVA 088-50
PVA 088-50 Item PVA088-50 Hydrolysis%(mol/mol) 86.0-90.0 Viscosity mpa.s 45.0-55.0 Volatile(%) ≤5.0 Ash (%) ≤0.5 pH value 5-7 Purity (%) ≥93.5
聚乙烯醇
聚乙烯醇 聚乙烯醇(PVA)是由醋酸乙烯经聚合反应、醇解而制成,是一种白色、稳定、无毒的水溶性高分子聚合物,能快速溶解于水中,形成稳定胶体,水是其良好的溶剂。 聚乙烯醇树脂(PVA)水溶液具有很好的成膜性、乳化性。形成的膜具有优异的接着力,耐溶剂性,耐摩擦性,伸张强度与氧气阻绝性。聚乙烯醇树脂(PVA)...
聚乙烯醇
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聚乙烯醇088-20
聚乙烯醇088-20 聚乙烯醇1788技术指标 指标 PVA 1788 (088-20) 醇解度%(mol/mol) 粘度 mpa.s 挥发分(%) ≤5.0 灰分 (%) ≤0.5 PH值 5-7 纯度 (%) ≥9...
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