... Blocks Dimension(mm): Length:666,width:500,375 ,thickness:80,100,120,150.200 high velocity, high efficiency, high quality, ... Production Line. A. Specification ( Length * Width * Thickness ) 666 * 500 * 100 (solid, hollow) Hollow rate: 32%. B. Property (JC/T 698 ... the standard of < Gypsum Block > (JC/T698-1998). D. Capacity design More informaiton, please contact me. gypsum block production line ...