The greatest care should be used in handling to minimize the danger of the dust explosion resulting from HVOF spraying, adequate ventilation must be provided for spray booths and other confined spaces, to prevent the accumulation of fumes and dust. All types of dust having considerable calorific value can be explosive. This dust includes flour, starch, hard rubber dust, wool flour, aluminum dust and the dust of other metals. Aluminum and magnesium dusts are particularly hazardous. The dust must be wetted down and remain immersed in water. Accumulation of dry or partially wet dust should not be permitted. A MEC-SPRAY BOOTH is recommended to fulfill the requirements of the dust collection of system. |