I saw a dry powder extinguisher today. The dry powder sprayed out is yellow
The first dry powder (sodium bicarbonate), referred to as KB dry powder, the color is white, can extinguish oil, electrical fire.Second kinds of dry powder (potassium hydrogen carbonate), referred to as KBC dry powder, color purple, oil and electrical fire can be eliminated.Third kinds of dry powder (phosphoric acid, two ammonium hydrogen), referred to as ABC dry powder, pink color, can be ordinary, oil, electrical fire.Fourth kinds of dry powder (potassium bicarbonate + urea compound), referred to as XBC dry powder, color is gray, can be oil, electrical fire.
The estimate has expired, you see the following dry powder classification!Dry powder is a dry, easy to flow micro solid powder, composed of fire extinguishing base and moisture-proof agent, flow enhancer, caking agent, and other additives.
Identification of fire extinguisher true there are many ways, we must first look at the fire extinguisher pressure gauge pointer pressure, not up to the green zone is unqualified products; two is the weight, total weight of fire extinguisher is not up to 8KG for unqualified products
