... 3,Professional manufacturer 4,High fire-fighting effciency 1,BC powder extinguishing agent/sodium bicarbonate2,Packaging: 25kg/bag(PP ... material sodium hydrocarbon and the other asistanted materials. It has good capacities of anti-moisture, long term storge, and anti ... under 0-40 ºC ambient temperature2. Effective Period: 5 Years Quality data: approvals and listings ( Chinese Standard GB4066.1-2004) ...