Main material: MDF core. Alternative material: 1.HDF 2.aluminum composite 3.metal draw bench 4.calcium silicate. 5.Fire resistant level B. 6.Environmental friendliness E1. Surface: UV Colored Painting Standard size:1220*2440 mm / 610 x 2440mm / 610 x 1220mm or other customized. Standard thickness: 9mm/15mm/18mm MDF Density: 7.6kg/m2