... 9.5mm,2440*610*9.5mm Perforated gypsum ceiling board ♦ square holeperforation type:square type,3*3mm,5*5mm,10*10mm,12*12mmsize 2440*1220*12.5mm ... ,610*610*12.5mm,1220*610*12.5mm,other ... 25mm)Φ15mm (pitch:30mm).Size:2440*1220*9.5mm,2440*610*9.5mm,other on request.Color of non-woven ... 20/12, Φ20/12/8Size:2440*1220*12.5mm, other on request.Color of non-woven fabric, ...