According to the characters of opened wasteyarn and requirements of the quality of yarn, it designs a practical technology parameter on each stage of process.
Waste is waste hemp yarn hemp can be woven sack cloth, canvas, carpet and other fabrics.
废麻纺是用废麻纺纱，可织麻包布、粗帆布、地毯布等。
3
Early opening and later weft insertion were adopted in weaving, adjusting of leno selvage and waste selvage yarn can reduce weaving defects and make weaving efficiency reach above 82%.