Seek information about Type 90 extinguishers
Dry powder composition: the simplest understanding is that in addition to phosphoric acid, ammonium hydrogen two, there are mobile talc, anti deterioration of preservatives, anti caking desiccant, and so on.So we'd better choose a higher content if we want to choose. Family use does not recommend type 50, maintenance is relatively troublesome.Type 50 fire extinguisher was designed and manufactured for industrial and mining enterprises in 50s and 60s. It is cheap and easy to popularize, but it is not suitable for family use.
A type 50 extinguisher with a content of two hydrogen phosphate and 50% is called a 75 type fire extinguisher, and 90% is called a 90 type fire extinguisher (75%).The higher the content of phosphoric acid two ammonium hydrogen, the better the extinguishing effect, and the lower the harm to human body.
Type 90 dry powder ABC extinguisher (Type 90 extinguisher)Dry powder ABC fire extinguisher according to the core components of fire extinguishing agent, phosphoric acid, two hydrogen ammonium content of a division.
The family should choose the best choice of higher content type 90 extinguishers, it is faster fire, almost no harm to the human body.Type 90 dry powder ABC extinguisher (Type 90 fire extinguisher) is the most expensive in the same model at present, but the extinguishing effect is the best and the safest.Type 90 extinguishers are made in China, but they are hard to find in the market. What you can buy is type 75 or type 50. Can only go to the manufacturer to order. Because the price of Type 90 is unacceptable to the general public. They're all exported. The reason for the high price is that the cost is much higher than that of type 50.
