Nextel Ceramic Fibers 312 and 440, when converted to fabrics, tapes, sleeving, and paper are used in the aerospace, industrial, automotive, electrical and petrochemical markets as heat shields, curtains, linings, insulation, blankets and seals. With our in-house sewing and fabrication capabilities, we can produce custom sewn components such as welding blankets, insulating blankets and covers, tank and tube insulation, heat shields, gaskets & seals, and many other shapes using any combination of the many materials we offer.