MPTZ/20A Water mist fire extinguisher, also named as mechanical foam fire extinguisher, is applicable to put out class B fire, such as oil products , oils and fats. It can also put class A fire, but cannot put out the fires caused by water-soluble and flammable liquids of class B, such as alcohol , ester, ether, ketone, cannot also put out class C fire(gas products, such as coal gas , natural gas, firedamp, ethane, dimethylmethane, hydrogen etc.) and class D fire ( metal products , such as kalium , natrium, magnesium , aluminum-magnesium alloy etc. ).
