Profile: McGaskets & PTFE Specialties, Inc. offers a complete line of gaskets for industry. Our gaskets are made from CNA (compressed non-asbestos), rubber, cork and PTFE. We manufacture die-cut or hand cut gaskets. Our product includes stamped parts & specialty washers, laminated shims, waterjet cutting services, lathe cut gaskets, industrial sealants, expansion joints and fluid seals & packings.