This standard specifies the terms and definitions, classification and nomenclature, requirements, test methods, inspection rules and marking, packaging, transportation and storage of chemical mechanical polishing pads. Technical requirements stipulate normal production, inspection and use environmental conditions, appearance quality, and product performance. Cosmetic quality includes foreign soiling. Among them, the technical indicators of the limit deviation of thickness and width are higher than the national standard GB/T8949-2008 "Polyurethane Dry Artificial Leather", and the weight, density, compression rate, compression elasticity, hardness, and opening diameter fill the gap of the national standard GB/T T8949-2008 "Polyurethane dry process artificial leather" blank.