Hollow Block 25*20*40cm
Product specifications
block type : Hollow block
dimensions : 25*20*40
average block weight : 22 kg
average dry density (kg/m3) : >= 1200 ( gross area)
average dry shrinkage : Max 0.065%
average water absorption : Max 208 kg/m3
average compressive strength at 28 days : Non loadbearing 60kg/cm2 - loadbearing 130kg/cm2
Units : 1000 blocks