ASTM D6437-2005(2010)e1 的标准试验方法聚氨酯原料:碱度低碱度多元醇(多元醇的CPR值的测定)
ASTM D6437-2005(2010)e1 标准详情
- 标准号:ASTM D6437-2005(2010)e1
- 中文标题:的标准试验方法聚氨酯原料:碱度低碱度多元醇(多元醇的CPR值的测定)
- 英文标题:Standard Test Method for Polyurethane Raw Materials: alkalinity in Low-Alkalinity Polyols (Determination of CPR values of Polyols)
- 标准类别:美国材料与试验协会ASTM
- 发布日期:2005
内容简介
This test method is suitable for quality control, as a specification test and for research. The urethane reaction between polyols and isocyanates to form polyurethane polymers is known to be sensitive to the presence of basic substances. This is part
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