Refreshing Perma-Grit Tools
tools are an indispensable addition to a modelerís shop. Occasionally, with
use they will become clogged with resins, plastics, and glue.
Heat with your propane torch
until the clogging medium melts. Heat just enough to melt the resin.
Scrub with a wire brush.
cleaning, dip in water to cool before you use.