本规范涵盖不含铅、六价铬和有害空气污染物（HAP）的水性阴极环氧电沉积底漆。底漆满足溶剂排放最大值144克/升（g/l）（1.2磅/加仑（lbs/gal））挥发性有机化合物（VOC）含量，并与耐化学试剂涂层（CARC）面漆兼容。该底漆适用于经过适当清洁和预处理的黑色金属和有色金属表面。

This specification covers waterborne, cathodic epoxy electrodeposition primer formulated free of lead, hexavalent chromium and hazardous air pollutants (HAPs). The primer meets solvent emission maximums of 144 grams/liter (g/l) (1.2 pounds/gallon (lbs/gal)) volatile organic compound (VOC) content and is compatible with Chemical Agent Resistant Coating (CARC) topcoats. This primer is intended for use on properly cleaned and pretreated ferrous and nonferrous metal surfaces.