Available in size 1) 600x200x100mm(4") 2) 600x200x125mm(5") 3) 600x200x150mm(6") 4) 600x200x200mm(8") 5) 600x200x225mm(9") 5) 600x200x230mm(9") 6) 600x200x300mm(12) Quantity in per CBM 1) 4"- 83.33 blocks 2) 5"- 66.66 blocks 3) 6" - 55.55 blocks 4) 8" - 41.66 blocks 5) 9" - 37.03 blocks 6) 9" - 36.23 blocks 7) 12" - 27.77 blocks Specification Compressive Strenght - Greater than 5+ 1) Dry Density - 550-650 kg/m3. 2) Fire resistance - 4Hrs.( for 200 mm wall) 3) Sound Reduction Index - 38 - 40db (for 200mm wall) 4) Thermal conductivity - less than 0.24 (k) w/m degree c°. 5) 1st grade material ISI,PWD,PIU approved