scope of use and functions of styrofoam

one-component polyurethane foam(ocf )is a product of the cross-combination of aerosol technology and polyurethane foam technology, it is a kind of polyurethane prepolymer special polyurethane products filled with chemicals, foaming agents, catalysts and other components into pressure-resistant aerosol cans. when the material is sprayed from the aerosol can, the foamy polyurethane material will rapidly expand…