... /SQ.M, 680GR/S KEDER is a technical textile reinforcement products for the sides of tent cloths, sails, tarpaulins, canvas, awnings ... specially for use in tents, fabric structures, truck side signs, industrial curtains, banners, awnings, pool cover, and various marine products ... welding technologies under stringent quality control management.keder for Tent Architecture Keder (For Tent Architecture)