ASTM D 789-98 provides an official, standardized procedure for testing polyamide or nylon molding powders.
ASTM D 789-98 provides an official, standardized procedure for testing polyamide or nylon molding powders.
98标准提供了一个测量聚酰胺/尼龙铸造模粉粘度的标准方法。
ASTM D 789-98 provides an official, standardized procedure for testing polyamide or nylon molding powders.
98标准提供了一个测量聚酰胺/尼龙铸造模粉粘度的标准方法。