Using Cratex Bits for Polymer Stippling Prep and Finish

As many of you may know, I have been doing quite a bit of polishing on customer frames lately. I inadvertently created a demand for it on my projects when I innocently released a few pics and then the previous blog. LOL sigh…..

I have had my fair share of blisters and stubbed finger tips in the process of all of the polishing, and the time I’ve invested would equal a nice week in the mountains taking down dinner for a month. Recently I decided to employ some of the bits I had laying around in my shop and much to my delight, found that not only did it improve my product, but that it severely reduced both my labor time and stubbed finger tips!

The product I started using is called Cratex. It’s a silicone carbide infused rubber bit that is available in a variety of grits. The function it serves is to smooth rough surfaces without gouges and while minimizing irregularities. I purchased the CRATEX Introductory Kit #777 which offers (4) varying grits ranging from Course-Extra Fine. I run these following a rough sand with 600 grit sandpaper and in between the 1000 grit final sand before polish. I normally spin them between 12-15k RPM and have had excellent results.

Cratex can be successfully used on many different types of media, but I am specifically utilizing it on polymer and metal. I’ll post links to the Cratex gear as well as all the other peripheral items I use to arrive at the finished product. Hope you find it helpful.

Found a smaller set of 26 Cratex bits if you're looking for a smaller package.

 

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