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
標準編號： ASTM D4876-98
發布時間：1998/11/10 0:00:00
標準類別：Standard
出版單位：American Society for Testing and Materials
標準頁數：3
標準簡介
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.
