Sphere-Shaped Particles Peen the Surfaces to a Satin Matte Look.
Comm Spec No. 7 or 60-80 Grit Glass Bead Abrasive Media is what you should use.
New Glass Beads were made. There is no free silica in them (not silicosis hazard like silica sand and are easy and safely disposed of.
Make sure to use low pressure, between 20 and 60 PSI, when you do this. Soft/Sensitive Materials that go above 70 PSI shorten the life of the glass media. At a 90-degree nozzle angle, you can get more intensity. You can eat more material at a 90-degree angle, with more blast pressures, and with a harder workpiece.
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A small amount of #7, 60-80 Mesh Grit, 250-177 Micron Glass Bead Blast Media is used for this job. Weight: 8.6 kg or 19 lbs. Recommended for applications where you don’t want to damage the surface of the thing you want to clean. Glass beads are made to sand surfaces at low pressure with ease. When you use glass bead media, you can use soft metals like aluminum and brass as well as other types of material, like plastic. In this case, low-pressure glass beads can remove substances from a surface without changing its dimensions. With a blasting gun or in a blast cabinet, it can be used.
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