A lot of people have problems with plastics that either have a red or blue top on white or vice versa a white top and either a red or white core. The problem that people have is typically a contamination of the the colour that invades the white and discolours the white.
In some of the earlier days of laser etch I use to have a lot of problems with the Rowmark Lasermark series. However this problem for me has become a non issue since the release of our new Encore laserable product. This product has a very good acrylic core and the pigments from the colours do not migrate like they do on other plastics.
However there is one thing as a laser etchr that you have to do and that is use the least amount of power that you can. This is not only in raster etch but also in vector etch. The problem that people have is that they use way to much power. In this video I am going at 100% speed, 19% power and 600 DPI on a 60 watt laser. DO NOT USE WHAT YOUR LASER SUPPLIER SAYS – TEST YOUR MATERIALS WITH YOUR LASER.
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