Top quality Abamectin, in bulk stock, free sample for initial trial Introduction of Abamectin Abamectin is a ... . It contains > 80% avermectin B1a and < 20% avermectin B1b. These two components, B1a and B1b have very similar biological and toxicological ... , %0.1 max****Arsenic, ppm2.0 max****Emulsion stability**QualifiedQualified Top quality Abamectin, free sample for initial trial