per ton=520rs cement-250kg price@300per bag =1500rs foming agent-2ltr price@160 per ltr =320 wast oil use for mould 2ltr@40perltr = 80 electricity use per cum =120 labour charges per cum = 300 total ———— - 2840 other exp 260 ————- 3100 282;—Ҽwe made clc block 900-950 density.can we replce cement and use lime.please replay soon.