1) 1,2,3-Benzotriazole 99.8%, --metal's slow corrosion water treatment chemical ... processed to be big flake, column, fine granular, powder. Properties:It's bitter, odorless, boiling point is ... fiber drums with plastic bags in.Guide nameGuidePurity≥99.8%Chroma≤NO.40Moisture≤0.04%Melting point≥97° ... and polyesteramide)capacity 1,2,3-Benzotriazole 99.8%, --metal's slow corrosion water treatment chemical