ASTM D6099-1997 标准详情
- 标准号:ASTM D6099-1997
- 中文标题:聚氨酯原料的试验方法:测定中、高酸度芳族异氰酸酯中酸度
- 英文标题:standard test method for polyurethane raw materials: determination of acidity in moderate to high acidity aromatic isocyanates
- 标准类别:美国材料与试验协会ASTM
- 发布日期:1997
1.1 this test method determines the acidity, expressed as parts per million (ppm) of HCI, in aromatic isocyanate samples of greater than 100-ppm acidity. The test method is applicable to products derived from toluene diisocyanate and methylene-bis(4-
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