Retarded amine catalyst A400: Improve consistency of polyurethane products

retardant amine catalyst a400: improve consistency of polyurethane products introduction polyurethane (pu) is a multifunctional polymer material widely used in the fields of construction, automobile, furniture, footwear, packaging, etc. its excellent physical properties, chemical stability and processing flexibility make it one of the indispensable materials in modern industry. however, how to ensure the consistency and…