It is spun with imported fibers from Japan and South Korea with specifications of 10S/1-30S/3. The yarn has flame retardant, high temperature resistance, acid and alkali resistance, high strength and other characteristics, and is widely used in the base fabric for environmental protection filter materials in garbage incineration, power plant cement, etc.
Other yarns used for environmental protection filter base fabric include acrylic yarn, meta-aramid yarn, polyimide yarn, etc.