... : 40*10, 50*15, 45*20.,etc 3, Thickness: Aluminum grid ceiling~~1), Material: Aluminum 1xxx, 3xxx, 5xxx2), Specification(mm): ,size: ... after installation.Welcome to contact us. Open cell ceiling Product:Open cell Ceiling / GrillesMaterial:high quality Aluminum alloySize:10*40, ... 150mm,200*200mmThickness:0.32, 0.42, 0.52.,etcPowder coating thickness: 0.08mm(average thickness 0.08mm)Colour: Refer ...