... 4)Intermingle: 20-40knots/m 1) 100% Polypropylene Yarn 2)Tenacity:3-7.5g/d 3)Spec:300D ... 200F 5)Intermingle: 20-40knots/m1) 100% Polypropylene Yarn2)Tenacity:3-7g/d3)Spec:300D-3000D4)filament ... geotextile, industrial filter cloth, ropes, cables, high-pressure fire hose, conveyor belt,industrial sewing thread, concrete cracking fiber ... corrosion, non-hygroscopic,etc. High tenacity polypropylene yarn