¡ó roll clean wipers are produced by polyester complex superfine fiber . ¡ó apply laser or ultrasonic cut sealing technology on the 4 edges, could effectively prevent the drop of dust and fiber. ¡ó the product is cleaned and packed under class 10 cleanroom(iso4 grade). ¡ó cleaned by 18 megohm deionized water to make sure the product is cleaned to the highest extent. ¡ó strictly apply iso9001:2000 quality management system, ensure the stable of the product quality. Specification: Item Cln-2001 Cln-2002 Applicable grade Class 10-1000 Weight 95-110g/m2 Thickness 180-200um Material 75%polyester and 25% nylon Length 1m-250m(changeable as per requirement) Width As per customer requirement Inner diameter 25mm Packing 1pcs/bag 1pcs/bag