... efficiency,bearing wear and oil, good performance, dynamic buckling resistance PU open belt specifications:1) S2m, S3m, S5m, S8m2) ... (D)T10, (D)AT5, (D)AT10, T20PU timing belts/pu open beltsDetails:1) material: polyurethane, nylon, steel, or kevlar ... machines, communication equipment, chemical machines, and various precision machine tools and instruments. Polyurethane open belt of our company is ...