01115322200
Power Ring

Hollow Block 20*20*40

Product specifications
  • block type : Hollow  block
  • dimensions : 20*20*40
  • average block weight : 19 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