Detailed Description  It can be filled in portable ,cart fire extinguishers. It is used to extinguish the fires of flammable liquids(B type).gasses and electric equipments(C type).  It is widely used for fighting fires of oil fields,oil stores, ships, warehouses, oil refineries, electricity station and petrochemical enterprises. Specifications: Specifications: Suited Ranges Main Ingredients B  C  BC-40%  √  √  NaHCO3CaCO3  BC-50%  √  √  NaHCO3 BC-82%  √  √  NaHCO3 BC-90%  √  √  NaHCO3 BC-95%  √  √  NaHCO3 According to standard, GB4066.2-2004  Items Technical Requirements NaHCO3 Content,% ≥82.0 Apparent Density,g/ml ≥0.85 Attractive Moisture,% ≤2.0 Blocking Resistance (Needle Penetration),mm ≥16.0 Low Temperature Resistance,S ≤5.0 Particle Distribution % 0.250mm  0 0.250mm-0.125mm  3.0±3.0 0.125mm-0.063mm  12.0±6.0 0.063mm-0.040mm  18.0±6.0 Bottom Plate ≥65 Water Resistence,S ≤5.0 Electric Insulation,KV ≥5.0 Spray Property,% ≥90 Fighting B Fires Property  Qualified