Hollow Block 25

Length 40 cm
Width 25 cm
Height 20 cm
Average weight 20 kg/piece
Average density 950 kg/m3
Compressive Strength (Net Area) Not less than 4.14 N mm² (average) (not less than 3.45 N mm²) per block
Average absorption 6%
Materials used Dolomite cement – ​​Portland cement
Colors used inorganic oxides
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