Insulating materials, namely, polyurethane foam for use in the petro-chemical and energy sectors, in the refrigeration industry, in panels and composites, in civil engineering and in ship building engineering; polyurethane foam sheeting for use as building insulation; polyurethane foam sheeting as a semi-finished product for use in structural core, in tooling material and in artistic works in the petro-chemical and energy sectors, in the refrigeration industry, in civil engineering and in shi...