Expanded graphite yarn is made of twists of low-sulphur expanded combined with reinf-orcing materials, and are suitable for weaving of expanded graphite braided packings.There is a wide variety of reinforcing materials used in the yarn twisting of different working conditions, with include cotton yarn, fiberglass, carbonized fiber, wires of nickelalloy or stainless steel or copper 　 Type SerialNO. Name 1 Graphite yarn reinforced with cotton fiber 2 Graphite yarn reinforced with glass fiber 3 Graphite yarn reinforced with cotton fiber + stainless steel wire 4 Graphite yarn reinforced with glass fiber + stainless steel wire 5 Graphite yarn reinforced with cotton fiber + lnconel wire 6 Graphite yarn reinforced with glass fiber + lnconel wire 7 Graphite yarn reinforced with outside-braided lnconel wire + cotton fiber 8 Graphite yarn reinforced with outside-braided lnconel wire+glass fiber 9 Graphite yarn reinforced with cotton fiber + copper wire 10 Graphite yarn reinforced with glass fiber + copper wire