Application of polyurethane hard bubble catalyst PC-5 in building materials: a new environmentally friendly thermal insulation solution

the application of polyurethane hard bubble catalyst pc-5 in building materials: a new environmentally friendly thermal insulation solution introduction with the increasing emphasis on environmental protection and energy conservation around the world, the building materials industry is also constantly seeking more environmentally friendly and efficient solutions. as an excellent insulation material, polyurethane hard bubbles are widely used in the field of building insulation due to their…