... foam sandwich panel is fit for the projects which have serious require of keeping warm. The product has every advantages of EPS ... plate/hot galvanized plate/stainless steel plate2,Core materials,Polyurethane(PU)bulk density:30~80kgm3Specification1,Width,950mm,1150mm, Thickness:40mm~250mm ... ,expensive,not meet fire safety.3,Fire rating,B Polyurethane (PU) Match-type Sandwich Panels