» Products Mandadiar Bricks And Blocks made of latest concrete compactive technology, pressing load of 40 tons. So our Bricks bring higher comprestive strength( 80 - 120 kg/cm2 ), low water adsorption ( 8 - 12 % ). Bricks and Blocks are machine made and hence each brick is perfect in shape and size having desity of 1.6 gm/cc & nil Efflorscence and all our specification and tolerance as per ISI2894/2002.