FIRE-RESISTANT FABRIC Russian patent published in 2003 - IPC

FIELD: textile industry. SUBSTANCE: core-spun yarn is made from thread or yarn from fibers based on aromatic copolyamide, which are spun with oxadiazole-based double- or triple-knit yarn. The former component is characterized by linear density 10 to 200 tex and the latter 13 to 200 tex. Thread or yarn of one component and yarn of the other have different twists in the same direction, while combined yarn has twist in opposite direction. Final fabric has density at least 80 g/m2 and ratio of the two components from 80: 20 to 55: 45. EFFECT: enhanced fire resistance and ability to be dyed. 4 cl, 1 tbl, 5 ex