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Water Absorption
The weight difference between soaked bricks and dry bricks should not exceed 20% of the weight of dry bricks.
Visual inspection
View closely to inspect the structural design of bricks for rectangular shape and uniform and sharp edges.
Efflorescence
This test is accomplished to check the deposition resistance of bricks using distilled water in a ventilated room.
Dimension
A random selection of bricks is put into effect to assess the dimensional variation in various brick sizes.
Hardness
A nominal scratch on the brick using a fingernail leading to no impressions will tell you the robust quality of bricks.
Soundness
If two bricks are hit against each other with a moderate force, a genuine quality brick will create a ringing sound.
Structure
Examining the internal view of a broken brick will let you know whether it contains any lumps and holes or not.
