Safety Precautions When Powder Coating
One of the most common techniques of surface finishing is powder coating. The technique utilises a series of processes and chemical reactions to create a hard finish that is tougher than paint. Powder coating is typically used to coat metals, aluminium, stainless steel, and other materials. The technique is so successful that there are now a rapidly increasing number of installations and facilities that specialise in powder coating.
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Just like in any other industry that deals with chemicals and mechanical elements, one needs to vigilantly exercise safety when it comes to using this process. By observing proper safety precautions, powder coating can be effective, efficient, and fast.
One of the major hazards associated with powder coating is the inhalation of tiny toxic dust from paint pigments, resins, pigments, fillers, and catalysts. These particles can cause cardiovascular ailments. Thus, painters should wear safety masks with functional filters to keep the particles out. In addition, they should also wear long sleeved shirts and pants to avoid skin contact with the powder, which can cause severe irritation and allergies.
An essential element in preventing inhalation and overspray is to paint the object in a paint booth. The walls of a paint booth contain the majority of the overspray, and particles that do not stick to the walls are sucked up in a vent.
The other main hazard is fire. Powder coating equipment such as electrostatic spray guns can induce a spark which can ignite combustible materials. Furthermore, the temperatures in convection and infrared ovens can be high enough to start a fire. Thus, painters are advised to wear fireproof gloves that can protect their hands from being burned. Safety goggles are also essential to protect the eyes from stray sparks.
