... like acrylics and polycarbonates by sanding, buffing, or burnishing. Try a fine-grit(200 to 300), wet-dry sandpaper and use it wet. Buy an assortment of sandpapers and tryseveral until you ... be poured over something or ontoa fiberglass base. The dried material can be cut, drilled, and sanded.■Nylon. Nylon is tough, slippery, self-lubricating stuff that is most often used as a sub-stitute ... that you can achieve a better bondby first roughing up the joints to be mated. You can use coarse sandpaper or a file for thispurpose.After applying the cement, wait at least 15 minutes for the...