Answer Posted / devendranchandrasekar
During the time of manufacturing bricks mixture of minerals
like silica, clay,ash,sand,etc this propotionate should
vary in all every production and also watercontent plays
very major role in the bricks
as per IS CODE SAYS 15 TO 20 PERCENT is the max limit of
water absorption brick in 24 hrs
water absorption in bricks depend only voidratio of bricks
and also poor compaction ,
well burnt bricks it should be burnt on all sides equally
good shape also all dimensions should be in proper and
clear
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