1.Non-combustible Inorganic Core 2.Environment Friendly 3.fire-proof 4.easy shaped manufacture ... back side: aluminum roll coated with PVDF or polyester2)Core: inorganics Specification:1) Standard size: 1220 x 2440mm2) Panel total thickness: 3 ... ,45 mm, 0,40x0.40 mm, 0,30x0,30 mmAdvantages: 1) Excellent fireproof performance & heat insulation, sound insulation.2) Weather resistance ...