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Efflorescence Test
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Efflorescence Test

Efflorescence is a deposit of salts, usually white, on the surface of bricks and blocks after being laid. The salts usually come from ground water or out of the mortar, but may come from within the masonry units themselves.

This test predicts the likelihood that the units will display such unsightly deposits from salts that they already contain.

The bricks when tested in accordance with the procedure laid down in IS 3495 (Part 3 ) : 1992 Standard Mark. the rating of efflorescence shall not be more than ‘moderate up to class 12.5 and ‘slight’ for higher classes.
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