... ,4. Good flexibility,5. With excellent resilience,6. Used for dynamic joints,7. Low-temperature flexibility,8. Weathering a good life as ... 15 to 20, 9. Resistant to biological agingIt is widely used in industrial machinery, seals and tooth-shape couplings PU parts ... have very excellent strength and soluble property, and can be used in -50 ~ - 120 degrees Celsius. They are anti-aging, long ...