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Welding spatter When we MIG weld, spatter will most likely appear. Spatter are leftovers of welding wire that have not melted with the weld puddle. We will see in this post, what are the main causes, the consequences and how to eliminate it. Causes Spatter are caused by different reasons. The main ones are the following: Mostly, it is caused by the relationship between current and voltage of our welding machine. Normally this occurs when the welding voltage is too low or the current too high for a certain combination of wire and gas. In this situation the arc is too [...]