Bintex Filter Cloth offers Continuously Extruded Synthetic Filaments Staple Yarn. Bintex Filter Cloth is the supplier of industrial textiles such as canvas, filter cloth, etc. Continuously Extruded Synthetic Filaments Staple Yarn is chopped into short lengths. Continuously Extruded Synthetic Filaments Staple Yarn is short fibers which are combed and twisted using a cotton or woolen manufacturing system [woolen yarn has a higher bulk]. These staple [of spun] fibers have low tensile strength and a large surface area. Particle retention of this yarn is excellent and cake release poor.