Heba Inside Cartridge Portable ABC Dry Chemical Stored Powder Fire Extinguisher are constructed from cold rolled steel (CRS) and fabricated by automatic metal inert gas (MIG) welding process. Each extinguisher body is then subjected to hydrostatic pressure in order to assure the safety of the end-user. The external surface of the body is shoot blasted and pretreated with zinc phosphate to improve corrosion resistance & paint adhesion. To insure a hard wearing as well we gloss finish, each extinguisher is electro-statically painted using a polyester resin before being backed in an oven. The dry chemical powder is capable to deal with class A fires involving carbonaceous materials such as, wood, paper etc. Also deal with class B fires involving flammable gasses and liquids. Also can be applied for electrical fires. EN3 approved.