ASTM D4876-98被替代
Standard Test Method for Polyurethane Raw Materials Determination of Acidity of Crude or Modified Isocyanates
出版：American Society for Testing and Materials
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基本信息
标准编号： ASTM D4876-98
发布时间：1998/11/10 0:00:00
标准类别：Standard
出版单位：American Society for Testing and Materials
标准页数：3
标准简介
CONTAINED IN VOL 08.03, 2001Provides method for determining the total acidity, expressed as HCI, of crude or modified isocyanates. Applies to products derived from toluene diisocyanate, methylene-bis-(4-phenylisocyanate), and poly-methylene polyphenylisocyanates.
