1) 1,2,3-Benzotriazole 99.8%, --metal's slow corrosion water treatment chemical 2 ... anstatic electricity,photographic antifogging agent,copper mine flotation,metal's slow corrosion etc. Safety properties:It' ... fiber drums with plastic bags in.Guide nameGuidePurity≥99.8%Chroma≤NO.40Moisture≤0.04%Melting ... polyesteramide)capacity 1,2,3-Benzotriazole 99.8%, --metal's slow corrosion water treatment chemical