introduction polyurethane materials are widely used in the aerospace field due to their excellent mechanical properties, chemical resistance, weather resistance and processability. in this industry, t ...

overview of the semi-hard bubble catalyst tmr-3 semi-hard bubble catalyst tmr-3 is a highly efficient catalyst widely used in polyurethane foam production, especially in customized home products. the ...

introduction polyurethane (pu) is a polymer material produced by the reaction of isocyanate and polyols. it is widely used in many fields such as construction, automobile, furniture, and home applianc ...

introduction polyurethane (pu) is an important polymer material and is widely used in construction, automobile, home appliances, furniture, shoe materials, coatings, adhesives and other fields. its ex ...