BC Dry Powder Extinguishing Agent Dry powder Extinguishing Agent Sodium Bicarbonate Extinguishing 40% 82% BC TUV BC Dry Powder Extinguishing AgentDry powder Extinguishing AgentSodium Bicarbonate Powder Extinguishing AgentAccording to customer's requirememt. BC Dry Powder Extinguishing AgentDry powder Extinguishing AgentSodium Bicarbonate Extinguishing40% 82% BCTUV BC Dry Powder Extinguishing ...