For applications requiring higher mechanical strength and wear resistance, TDI-based polyester low-free prepolymer (CPU) offers clear advantages over traditional polyurethane systems.
By reducing free TDI content, low free isocyanate TDI prepolymer improves storage stability and processing safety while maintaining excellent physical properties. This system is widely used in high-load polyurethane elastomers, especially where abrasion resistance and oil resistance are critical.
Polyester-based low-free CPU delivers superior tensile strength, tear resistance, and load-bearing capacity. These properties make it suitable for scraper blades, industrial rollers, seals, mining components, and heavy-duty PU parts.
Compared with polyether systems, polyester polyurethane prepolymers provide better resistance to oils, fuels, and mechanical stress, making them ideal for harsh industrial environments. The low-free formulation further improves processing stability and reduces the risk of defects during curing.
For customers seeking durable polyurethane elastomers with reliable performance, TDI-based polyester low-free prepolymer is a proven and dependable solution.
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