Maxi-Cure extra thick CA is the best CA for most plastics, is the best choice for plastic model assembly. When used with Insta-Set, it works better than any putty for modifying or filling voids. It can be carved with knife or razor blade and sanded and feathered to form finish indistinguishable from plastic. Maxi-Cure bonds fiberglass, hardwood, metal and rubber better than any other hobby adhesive. For gluing to the inside, clothtextured surface of fiberglass, scrape the area to be bonded with razor blade or coarse sandpaper before using Maxi-Cure or any other adhesive. It also is best for bonding the tires for R/C cars.