Hollow Block 20 Our products Hollow Block 10 Hollow Block 12 Hollow Block 15 Hollow Block 25 Technical Data: Dimensions (cm) Length: 40, Width: 20, Height: 20 Weight (kg/m²) = 20 Density (kg/m3) 1150 Compressive Strength (Net Area) 42 kg/cm2 35 kg/cm2 Absorption 6% Colors
