ASTM D4274-2005 标准详情
- 标准号:ASTM D4274-2005
- 中文标题:聚氨基甲酸乙酯原料的标准试验方法:多元醇的羟基数的测定
- 英文标题:Standard Test Methods for Testing Polyurethane Raw Materials: Determination of Hydroxyl Numbers of Polyols
- 标准类别:美国材料与试验协会ASTM
- 发布日期:2005
These test methods are suitable for research and as quality control and specification tests. It is necessary to know the hydroxyl contents of polyols in order to formulate polyurethane systems.1.1 These test methods measure the hydroxyl groups in pol
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