Before telling you what is the water absorption of first class brick, I would like to give a basic description of bricks. The compressive strength of bricks are:
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(i) Common building bricks—35 kg/sq. cm,
(ii) Second class bricks—70 kg/sq. cm,
(iii) First class bricks— 105 kg/sq. cm.
(iv) Crushing strength of bricks is lesser than 140 kg/sq. cm are known as AA class.
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Now, I will share with you how can you check the water absorption of 1st class brick.
Choose five bricks randomly.
Take out the bricks from the oven and cool them down to room temperature and check their weight w1 (kg).
Dip the bricks fully in water at 27’+/-2’C for 24hrs.
Water absorption capacity is measured in terms of (((W2-W1)/W1)*100).
Take the average value of water absorption capacity.
The water absorption capacity should not exceed:
1st Class Brick ==> Not more than 20% by weight
2nd Class Brick ==> Not more than 22% by weight
3rd Class Brick ==> Not more than 25% by weight
I hope this solves your query regarding 1st class brick water absorption.
This is all I have to say about water absorption of first class brick. Hope this helped you.
Read more:
How many bricks required for 12×12 feet room ?
How many bricks used in 1 square feet?
How many bricks required for 100 square feet?
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What is the water absorption of first class brick?
Anamika
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2 Year
2022-08-25T10:39:33+00:00 2022-08-29T07:06:57+00:00Comment
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