... 4,High fire-fighting effciency 1,BC powder extinguishing agent/sodium bicarbonate2,Packaging: 25kg/bag(PP+PE), ... it can be matched with the fluoro-protein extinguishing concentrate and aqueous film-forming foam extinguishing agent to put out the oil field fire. ... can be matched with the 6%fluorine protein foam concentrate and aqueous film-forming foam concentrate.Storage:1. sealing, cool, indoor, ...