polyurethane catalyst pc-77: the secret weapon to improve the quality of high-performance polyurethane foam
polyurethane catalyst pc-77: a secret weapon to improve the quality of high-performance polyurethane foam introduction: a revolution about “bubble” in the vast starry sky of modern industry, polyurethane (pu) is undoubtedly a dazzling star. from car seats to sports soles, from refrigerator insulation to building insulation, polyurethane is everywhere. behind this “bubble” miracle, there is…
