... generous, moisture-proof, deformation, cracks, sturdiness and durability, and noise insulation good effectThe alumina paint free boards are ... decorative material ,no formaldehyde content ,surface smooth and beauty ,restraining combustion elegance color ,handle comfort ... ,fine surface hardness ,anti-impact ,sound insulation ,shockproof ,no shrinking and crazing.Standard dimensions:Height(1900-2150mm ...