PU timing belts (also known as PU toothed belts) are premium transmission products made from pure Polyurethane (PU) material combined with a reinforced steel core. This perfect combination gives the belt exceptional tensile strength, prevents expansion, and ensures absolute precise engagement with gears or pulleys during operation.

Why Choose PU Timing Belts?
🛡️ High Mechanical Strength
The steel core provides heavy load capacity, abrasion resistance, and prevents deformation after prolonged use.
🌡️ Temperature & Chemical Resistance
Resistant to oil, grease, water, and other chemical agents, performing effectively in harsh environments.
🎯 Absolute Precision
Accurate tooth design minimizes noise and energy loss during transmission.
Common Types of PU Timing Belts
| Tooth Type |
Common Codes |
| Trapezoidal Teeth |
XL, L, H, XH, T5, T10, T20, AT5, AT10, AT20 |
| Semicircular Teeth |
3M, 5M, 8M, 14M, S5M, S8M |

Applications & Machining Options
Widely used in: Automation, Textiles, Food, Electronics, Healthcare, and Packaging.
- Special Coatings: Additional layers of red rubber, green foam, clear white PU, or custom profiles can be attached.
- Joining Methods: Available in long rolls, open-ended (spliced), or truly endless (seamless) configurations.
💡 Recommendation: Accurately determine the tooth pitch and working environment so we can advise on the most suitable coating type to extend your system's lifespan.