| |
Class
A: Caused by combustion of solid materials, mainly of organic
origin, which normally burn under production of embers. eg:
wood, paper, straw, textiles, coal and car tyres. |
Class B: Caused
by combustion of liquids or materials that liquify. eg:
petrol, benzene, oils, fats, paints, tar, ether, alcohol, stearin
and paraffin. |
Class C: Caused
by combustion of gases. eg: methane, propane,
hydrogen acetylene, natural gas and city gas. |
Class D*: Caused by combustion
of metals. eg: aluminium, magnesium,
lithium, sodium, potassium and their alloys.
*Use Allinex powder and special nozzle for
the risk.
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Class F: Caused
by cooking oil. eg: chip fat. |