1. Purpose: for irregular metal ware, die casting, plastic, lacquer, wood. Used extensively in manual, semi-automatic and automatic machines. 　　2. Materials: pure cotton cloth ruffled regularly, the specification of typical cotton cloth includes: 　　　　　　　40s x 40s 　133 x 100 　　　　　　　40s x 40s 　133 x 72 　　　　　　　20s x 20s 　80 x 80 　　　　　　　30s x 20s 　86 x 80 　　　Type A. With starched treatment,harder. 　　　Type B. Without starched treatment,softer. 　　3. Advantages: for fine and non-streak polishing, good retention of polishing compounds for cotton cloth, self-cooling in operation.