... Oil we could offer all kinds of Feed Additive Our ethoxyquin series products anti-oxidants for feed, with could offer all ... kinds of Feed Additive,Ethoxyquin and Oil.is one of the four anti-oxident products ... powderEthoxyquin, %≥ 60.0Heavy metal, ppm≤ 10.0As, ppm≤ 2.0 Ethoxyquin 66% Feed Grade