RFP500 is a 2-ply, grey, medium weight, perforated, eco-friendly universal sorbent pad that absorbs industrial liquids except for highly aggressive acids & caustics. Made from 80% recycled newsprint and other cellulose material. One sided spunbond coverstock adds durability and makes the product ideal for general maintenance and wiping applications.High absorbency, up to 20 times its weight, means less product is needed for the clean up. Designed with easy tear perforations to help reduce waste. Meets ASTM E84-05 fire retardancy standard.