BURLAP Russian patent published in 1996 - IPC

FIELD: fabric for industrial application. SUBSTANCE: burlap is made by interweaving of warp threads based on bast fibers and weft threads made of yarn containing staple chemical fibers in the amount of 30-40% and regenerated fibers in the amount of 60-70%. Regenerated fibers may be made of bast, or polyester, or polyamide, or polypropylene fibers or of their mixture. Staple fiber may be polyester or polyamide. EFFECT: saved natural raw materials, low costs of products and their high quality. 5 cl, 1 tbl