http://www.rikenmt.com/products/cj25-abrasive-cloth.html RIKEN RMC Jwt cloth CJ25 uses Jwt poly-cotton cloth and silicon carbide, making it flexible, high wear-resistant and high coating dense. Its backing has anti-slip treatment with high strength. For example, the work surface of the 80 grit emery cloth is very fine. The CJ25 silicon carbide abrasive has excellent flexibility and strength, which are suitable for belt making.All Rights Reserved