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Alternating glossiness in solid surface7/17/14
We are finishing Avonite black color solid surface to gloss. We keep seeing alternating shininess, almost like streaks after it is finished to gloss. The streaks run the length of the tops even though we are polishing in all directions. Anybody else experience this and have an opinion on what we are doing wrong? Thanks
We use avonite all the time and have not had that yet. It may occur. Did you try to resand through your coarse to fine and re-polish? We use 3M machine polish on ours
You really need to determine if the streaks consist of scratch pattern or something in the material itself. You have to get the angle just right to see it once the surface starts to gloss up.
Make sure that the last pass with each grit is done with light down pressure on the sander. I do length first, then width, then circles with a light touch. Then move on to your next grit.
We use sponges for our finer grits to help avoid hard scratch and for a much flatter foot print on the material.
We have been working hard on our high gloss finishes and have really nailed it down pretty nicely.
I will be doing some SurfPrep 90 videos on solid surface soon.