... RESIDUE (%)0.080Max0.018 Useage: Widely used in pesticide,leather, rubber,dyes,pharmaceuticals and other industries. Usage:1, Pharmaceutical industry :Caffeine, Analgin ... .4, Chemical industry:Methane amide, DMF, Age resister, etc.5, Rubber industry:Coagulation, etc.6, Steel industry:Acid cleaning of steel ...