several grades of dupont Vamac ethylene acrylic elastomer ere availabe to rubber compounders and part fabricators. Proper grade selection often depends on a combination of factrs,including the following:

几种等级的杜邦 Vamac 乙烯丙烯酸弹性体可供橡胶混炼商和零件制造商使用。正确的年级选择通常取决于多种因素，包括以下因素：

General purpose一般用途