... fiber gaskets, PTFE Gaskets, graphite, asbestos, rubber, gasket, oil resistant fiber paper, and four fluorine materials of high-precision gasket without die ... , Tangent Knife, Punching, V-CUT and pen.3. Applicable material : PAPER, RUBBER, Graphite, Silicon, Asbestos, Nylon, Fiberglass, felt, foam 4. Effective ...