PU synchronous belt was produced by thermoplastic polyurethane, steel, and Kevlar fiber cord, has a ... stability of special application, still a layer of polyurethane can be added in the back of belt ... 14M, S2M, S3M, S5M, S8M, S14M 2. Material: Polyurethane 3. Brand Name: Jbosun 4. Place of Origin: Shenzhen ... order: 1. If you are interested in our products, please tell us which materials ,type,width,length ...