The specialized use of low chloride, low halogen, low corrosive, high purity markers is important. It is widely used by automotive manufacturing, metallurgical labs, aerospace industry, stainless steel marking, exotic metal marking, specialized materials marking. We sell high purity pens that meet the specifications
All the automobile companies have more than 3 metals they use the melt together to create an alloy. This integrity of this very expensive process is ensured by the use of a marker that will not corrode nor contaminate the the metals. Airplane manufacturers and the broader aerospace industry use these as well.