Specification: Type Viscosity m.pa.s/25 C Acidity/viscosity ratio Substitution degree Heavy Metals (PH%) Iron (%) Arsenic (%) NDJ-79 Water solution 2% Brookfield 30rpm Concentration NDJ-19 FL9 300 25-400 2% 0.80 0.90 0.002 0.03 0.0002 FM9 300-800 400-2000 2% FH9 800-1200 200-500 1% FVH9 1200 500 1% FFH9 800-1200 200-500 1% 0.82 FH10 800-1200 200-500 1% 0.98 FL6 300 25-400 2% -- 0.70-0.90 FM6 300-800 400-2000 2% FH6 800-1200 200-500 1% FVH6 1200 500 1% FBC-1 -- 1500-4000 1% -- 0.80-0.90 FBC-2 4000 1% FBC-3 4000 1% 0.90 25/50KGS PER BAG.