selfknotting textured plastic running track

सेल्फ-नॉटिंग टेक्सचर्ड प्लास्टिक रनिंग ट्रैक एंड फील्ड फ्लोर मटेरियल पॉलीयुरेथेन

Self-Textured Polyurethane (PU) Running Track selfknotting textured plastic track with natural texture formation and stable friction coefficient for athletic running tracks Product Introduction The full-PU self-textured running track is made of polyurethane (PU) prepolymer without rubber granules, with an isocyanate (NCO) content of 18%-22%. The surface layer forms a texture naturally through the self-texturing process, without manual pressing, ensuring firm bonding between