Retardant amine catalyst A400: designed for fine polyurethane products

retardant amine catalyst a400: designed for fine polyurethane products introduction polyurethane (pu) is a polymer material widely used in the fields of industry, construction, automobile, furniture, etc. its excellent physical properties and chemical stability make it an important part of modern materials science. however, in the production process of polyurethane products, the selection of catalysts…