... ,dye,medicine and rubber ect industry.1.Medicine industry:Amino acid t, caffeine, vitamins B1 and so on2.Pesticide Industry: ... .Rubber Industry: Nature Rubber's coagulation ect.7.Steel Industry:Acid Cleaning for steel.8.Paper Industry:Pulp manufacturing, etc9.Feed ... Industry:make feed ect. Index item Qualified gradeExcellent gradeformic acid , %≥ 85 90acetic acid,%0.6 0.4 Chroma (as platinum and cobalt ...