What are the factors that influence the performance of polyurethane foam?

what are the factors that influence the performance of polyurethane foam polyurethanefoam materialis based on isocyanate and polyetherpolyol is the main raw material. under the action of foaming agent, catalyst, flame retardant and other additives, it is mixed through special equipment and foamed on-site through high-pressure spraying. molecular polymers, divided into polyurethanessoft foammaterialandpolyurethanehard foam materialtwo…