... convenient constructionConformation: It uses flame retardant rock wool as core material, and zinc-plated & color-coated steel sheets as the upper ... : 1. Board width: 960mm, 980mm, 1150mm 2. Thickness: 50, 75, 100, 150, 200 mm3. Length: According to project and transportation requirement ... ,Hebei,ChinaTel: +86-311-85386696FAX: +86-311-85389656 polyurethane foam raw material