Cord MIL-C-20079 PTFE Coated Fiberglass Sewing Thread & Cord Multi-Layer Insulation Materials Experience Counts TLDC & TFDC-Series PTFE Coated Fiberglass Draw Cord E790-Series PTFE Coated Para-Aramid Draw Cord E779/E761-Series PTFE Coated Fiberglass Lacing Tape and Tie Cord