... -3-181.)Brief AccountPolypropylene yarn is made from the premium polypropylene slice without poison and odor,processing from the chopped fiber ... ,comb the wool,then spinning into the one-ply yarn (polypropylene yarn),which is the main material for manufacturing the wire ... , 1.2g/m, 1.4g/m3.)Main technical parameter for Polypropylene yarn Color: white Size:1.8mm; Fiber length: 76-78mm ...