Polyurethane elastomers are mainly composed of polyol, diisocyanate, and chain extender. The performance of these three different raw materials basically determines the performance of the whole polyurethane elastomer. The common diisocyanates in polyurethane elastomers are TDI, MDI, TODI, PPDI, NDI, etc. At the moment, polyurethane seals are basically made of TDI and MDI systems, but with the deve...

When we use low-free-prepolymer to produce a polyurethane elastomer, prepolymer can react with chain extenders more homogeneously and form elastomers with more consistent and improved end-use properties.This kind of low prepolymer based polyurethane elastomer has many advantages. They are much superior in both static and dynamic mechanical properties, and have greatly improved thermal stability, r...

MDI series of polyurethane seals elastomer TPU scheme, P793S for polyether system, low temperature resistance, resilience, flexibility are excellent, suitable for most of the use of temperature is not high in the industrial field. P600 is a polycaprolactone system with excellent mechanical properties and is a standard material for hydraulic seals. P500 is both oil resistance and hydrolysis resista...

We have developed a polyurethane castable pipe C500H with high temperature resistance, hydrolysis resistance and oil resistance.The C500H is a hydrolysis-resistant casting polyurethane elastomer. It combines the good mechanical properties with a high resistance to hydrolysis (degradation in water). it is stable in water up to +90 °C and has an outstanding stability in mineral oil.

We developed a hydrolysis resistant polyurethane cast pipe material C700 due to its good mechanical properties and hydrolysis resistant. It can be used in Rod Seals, Piston Seals, It combines the good mechanical properties with a high resistance to hydrolysis (degradation in water). It is stable in water up to +90 °C and has an outstanding stability in most common hydraulic fluids.

We have developed a series of TPU of high temperature resistant system, and these TPU are developed and synthesized based on PPDI. Compared with THE TPU of MDI system, the TPU of these PPDI systems has better resilience, better wear resistance, better high temperature resistance, better dynamic performance, especially in high frequency working environment, showing excellent service life. A large n...