Classification of Bricks
2021-11-22u2002·u2002iv. Fourth Class Bricks: These types of bricks are irregular in shape and dark in color which is due to overburning. They are quite strong in compressive strength, generally above 150 kg/cm 2 and low in porosity and absorption.. Use: Despite their high strength, these types of bricks are unfit for use in building construction.This is because of their distorted shape and irregular size.
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