First invented in the mid-1990s by Paul W. Harrison, founder of TherMark, LLC, this protected and patented technology produces permanent marks on metal, glass, ceramic and stone parts for a wide range of industrial and artistic applications, ranging from aerospace, optical and medical to awards and engraving. It differs from the more familiar laser engraving and ablation techniques in that it is an additive process, adding material to the substrate surface rather than removing it. Today, Ferro's Corporation acquired TherMark/ CerMark in February 2015. Since then, the company's scientists have been able to develop the flagship product, CerMark Ultra, which, due to its unique, precise, and permanent ability to quickly fuse marking material on ceramics, metals, glass, and other hard surfaces such as stone, (not for plastics) at a very competitive cost, but in a single package.

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CERMARK   MARKING   MATERIALS

WHAT CERMARK PRODUCT TO BUY?
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There are many CerMark products for marking metals. The only colors that can be made are black, white and copper. The best known CerMark product for metals is LMM 6000 which has been used for many years to make black marks on items such as industrial parts and metal glasses. Also LMM14 which was formerly known as Thermark has been used and recently Ferro launched its new product Ultra which can be used on multiple metal, glass and ceramic substrates (except plastic). All of them are available in paste form or in spray cans. The white LMM 6150 and the copper is LMM 6151 only come in liquid form and must be applied by spraying. The last option is LMM 6018 which is an LMM 6000 in dry tape form.

You need to be clear about what type of metal you are trying to mark on. As for laser settings, these depend on many factors, the type of laser, the watts of power, the brand, the age of the tube, and also the machine settings. For example, it is recommended to mark much slower and use much more power on softer metals such as brass and aluminum so that the material adheres properly. 

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Black On Metal

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BLACK ON METAL
Black On Glass & Ceramic

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BLACK ON cERAMIC 
Color On Glass & Ceramic

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BLACK ON GLASS 
Black & Color On Stone

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MARK ON STONE