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11-12-2011, 03:58 AM
| #1 |
| RCC Addict  Join Date: Oct 2008 Location: Finland
Posts: 1,265
|  What finish is used on most Delrin chassis'?
I'm wondering how the matt finish is achieved found on most black delrin chassis' on the market today. Delrin sheet has a shiny finish when you buy it. Are the manufacturers sand blasting their Delrin chassis' or what do they do?
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11-12-2011, 04:19 AM
| #2 |
| RCC Addict Join Date: Oct 2008 Location: Finland
Posts: 1,265
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I think I found the answer to my question. It must be a result of some sort of deburring tumbler, am I right? Homemade Tumblers - Cast Boolits |
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11-12-2011, 06:24 AM
| #3 |
| TEAM MODERATOR   Join Date: May 2004 Location: Tennessee
Posts: 10,855
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Lightly rubbing a piece of delrin with a scotchbrite pad will give you a nice flat finish. You can buy "fine" or "coarse" scotchbrite pads that will give a slightly different texture. Nice thing about scotchbrite is one or two passes over a part removes all the sharp edges, removes any light blemishes and leaves a nice uniform finish.
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11-12-2011, 06:33 AM
| #4 |
| RCC Addict Join Date: Feb 2008 Location: Crawlerado
Posts: 1,411
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CDW uses an orbital sander with a 220 grit pad, then it gets wiped down with WD-40. makes for a very nice uniform matte finish.
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11-12-2011, 06:58 AM
| #5 |
| TEAM MODERATOR Join Date: May 2004 Location: Tennessee
Posts: 10,855
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Like any plastic, when you sand it, the "dust" can stay on the surface. Washing the parts with warm soapy water or wiping them off with a lightly oiled rag is a must IMO.
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11-12-2011, 08:00 AM
| #6 |
| Defy Gravity Join Date: Nov 2009 Location: wells, mn
Posts: 2,326
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been sanding mine with a random orbit sander as well, really like the finish, and with some of the 1/4" if been getting from mcmaster lately, its a must on the skids at least.
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11-12-2011, 10:44 AM
| #7 |
| Rock Crawler Join Date: Oct 2007 Location: Grants Pass
Posts: 806
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Media blast makes a nice unique finish. Both pieces of delrin are the same the one on the bottom has just been blasted.  Last edited by highlandcrawler; 11-12-2011 at 10:58 AM. |
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11-13-2011, 08:41 AM
| #8 |
| Rock Crawler Join Date: Apr 2008 Location: Albany
Posts: 640
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Erin what kinda media? Like Glass beads or................ Evan |
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11-13-2011, 09:34 AM
| #9 | |
| Rock Crawler Join Date: Oct 2007 Location: Grants Pass
Posts: 806
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