標題: ASTM D 6979-2003 聚亞胺酯測試方法:測定多羥基化合物的堿度... [打印本頁] 作者: 兌水 時間: 2009-10-28 08:40 標題: ASTM D 6979-2003 聚亞胺酯測試方法:測定多羥基化合物的堿度... D6979-03 Standard Test Method for Polyurethane Raw Materials: Determination of Basicity in Polyols, Expressed as Percent Nitrogen