Fire class A (mixing rate <1%)
Solid substances: Wood, coal, paper, hay, straw, cereals, rubber, coal, car tires

Fire class B (mixing rate 3%)
Liquid substances: Heptane, gasoline, diesel, kerosene, crude oil, Varnish

Fire class C (mixing rate 3%)
Gas_under certain circumstances: Natural gas, liquefied petroleum gas, Methane, propane, hydrogen, acetylene (mixing rate 5%)

Fire class D_EN3 (mixing rate 5%)
Metals: Aluminum, magnesium, lithium, sodium, potassium and their alloys

Fire class F (mixing rate 15%)
Cooking oils and fats fires from oils, fats used in fryers, microwaves and woks, etc. _ only with special nozzles