... resistance 3)environmental protection 4)easy to install ceiling tiles: Specifications of ceiling tiles: Thickness:5mm,5.5mm,6mm,6.5mm,7mm,7. ... ,4.5m,5.4m,6m,7.2m,7.5m,8mFeatures of ceiling tiles: (1)High intensity, aging-resistant, fireproof, waterproof, acid ... and environmental protection (4)Easy setting and cleaning Application of ceiling tiles: Ceiling tile is widely used in office,hospital ,hotel ...