Product description Size of block : 300 x 300 x 150mm Grade : low ec Washed : 4 times Sand (impurity) : less that 2 % Ph : 0.5 to 1 % Moisture : 5 % Sifted by mesh : 6 mm. Compress ratio : 5/1 Water absorption : 13 liters / kilo gram Fiber max : 3 pct Price: : fob Chennai, India. Packing : blocks on pallets. 5 kg/block. 200 blocks/pallet