Jun Asano

Porous polytetrafluoroethylene film and process for preparation thereof

Filter apparatus and filter element

Polytetrafluoroethylene fibers, polytetrafluoroethylene materials and process for preparation of the same

Heat-meltable fluororesin fibers

Fibrous materials of fluororesins and deodorant and antibacterial fabrics made by using the same

Bulky polytetrafluoroethylene filament and split yarn, method of producting thereof, method of producing cotton-like materials by using said filament or split yarn and filter cloth for dust collection

Multi layered felt, member formed of same, and method of manufacturing same

Polytetrafluoroethylene porous film and method for manufacturing the same.

Fire-retardant filter medium and air filter unit

Material for electrode comprising a non-woven fabric composed of a fluorine-containing resin fiber