Sheet backing for decorative covering material

摘要

Decorative sheet-type covering material and method for making same. The material has a substrate comprising a porous mat saturated and completely coated on both sides with foamed, cured PVC plastisol or organosol. The substrate is made by coating one side of a porous mat with foamable PVC plastisol or organosol and then heating and foaming the plastisol or organosol.