... manufacturer 4,High fire-fighting effciency 1,BC powder extinguishing agent/sodium bicarbonate2,Packaging: 25kg/bag(PP+PE), ... be matched with the fluoro-protein extinguishing concentrate and aqueous film-forming foam extinguishing agent to put out the oil field ... Value published by the factory+-68Bottom≥70.09Low temperature resistant, s≤5.010Electrical insulation, kv≥5.0011Colorwhite12Discharge Rate, ...