Decorative fireproof ceiling tiles. 1Fireproof 2non-asbestos,zero formaldehyde 3Water & impact resistance 4different color ... ×1830mm,2,750 x 1,200mm, 1,830 x 915mm, 600 x 600mm2) Thickness:3mm,5mm,6mm,8mm,9mm,10mm,12mm ... drops or damppass radio active reference:GB6566-2010 Decorative fireproof ceiling tiles