FSU508 Tightly woven double-faced combination of multifilament and spun polypropylene yarns. Food Approved High Density, Double Faced Construction Yarn Format Filament/Staple Fibre Type Polypropylene Weave 3 x 1 Broken Twill Double Weight 610gsm Strength Warp: 5500 N/5cm Weft: 3000 N/5cm Enquire Now Related Products ET3185 Explore Lightweight fabric developed using food grade polyester yarns. P6055 Explore Food grade yarn with tight weave structure for stability. FU1664 Explore Food grade yarn with open weave structure for coarse filtration.