標準號：ANSI/ASTM D4662-1998
中文標準名稱：聚氨酯原料試驗方法:多元醇酸、堿值的測定
英文標準名稱：Polyurethane Raw Materials, Determination of Acid and Alkalinity Numbers of Polyors, Method for Testing (08.03)
標準類型：G31
發布日期：1999/12/31 12:00:00
實施日期：1999/2/10 12:00:00
中國標準分類號：G31
國際標準分類號：83.040.30;83.080.20
適用范圍：These test methods measure the acidic and basic constituents in polyols and other materials of high acidity or alkalinity that are soluble in mixtures of toluene and ethyl alcohol. These test methods do not apply to polyethers. (See Note 1.) This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Note 1 -There is no equivalent ISO standard.