Creating a matte finish Tagged: resin-troubleshooting This topic has 1 reply, 2 voices, and was last updated 7 years ago by Katherine Swift. Viewing 1 reply thread Author Posts October 24, 2017 at 2:47 pm #10525 TheaGuest How can I get a nice matte finish on my bracelets? Just tons of buffing I suppose. Can I cast a polymer clay prototype in a silicone mold, then cast the resin and will it be matte like the the clay? October 24, 2017 at 8:51 pm #10535 Katherine SwiftKeymaster Hi Thea, Use a wet/dry sandpaper somewhere between 600 and 1000 grit. Go over the surface and you should get a nice matte finish. Author Posts Viewing 1 reply thread The topic ‘Creating a matte finish’ is closed to new replies.