How To Check Cement Expiry Date?

How To Check Cement Expiry Date
1. How to calculate the expiry date of cement bags? – Every bag of cement has manufactured dates printed over them as shown below. As you can see in the above image, the manufactured date of cement is printed as W48 DEC Y13. Here, W stands for 👉 Week. DEC stands for 👉 Month, Y stands for 👉 Year. W48 DEC Y13 means, the cement is manufactured on the 48th week of the year 2013 in the month of December.

By observing the calendar (internet ), the 48th week is from Nov 25th to Dec1st of the year 2013. We should add 3 months ( 90 days ) to the manufactured date, to get the expiry date of cement.1st Dec 2013 + 90 days. = 28th February 2014 will be the expiry date of cement. So, it is OK to buy this bag of cement before 28th Feb of the year2014,

The other pattern of printing the manufactured date over the cement bags is as below. As explained above, W, M, & Y stands for a week, month & year respectively. Now the next question that comes to your mind is,

What is the expiry date of cement?

1. How to calculate the expiry date of cement bags? – Every bag of cement has manufactured dates printed over them as shown below. As you can see in the above image, the manufactured date of cement is printed as W48 DEC Y13. Here, W stands for 👉 Week. DEC stands for 👉 Month, Y stands for 👉 Year. W48 DEC Y13 means, the cement is manufactured on the 48th week of the year 2013 in the month of December.

  • By observing the calendar (internet ), the 48th week is from Nov 25th to Dec1st of the year 2013.
  • We should add 3 months ( 90 days ) to the manufactured date, to get the expiry date of cement.1st Dec 2013 + 90 days.
  • = 28th February 2014 will be the expiry date of cement.
  • So, it is OK to buy this bag of cement before 28th Feb of the year2014,
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The other pattern of printing the manufactured date over the cement bags is as below. As explained above, W, M, & Y stands for a week, month & year respectively. Now the next question that comes to your mind is,

What is the shelf life of cement?

Cement is chemically active component and it forms a compounds / gel / silicates / bonds when it comes in contact with H2O (Water). Humidity / moisture / steams in the air is also a form of water. When the moisture from air makes itself available for cement bags in Store Room, it starts the process of hydration in it.

As by looking at the cement, it is difficult to determine either cement is till fresh or partly hydrated and its effect on the strength, doing the testing also do require longer time and my give a little idea about properties in 24 hours and 3 days test results of compressive strength. As the hydration process is not visible to our open eyes and cannot be controlled once it is started, it is better to set the guidelines for storage and usage of the cement, so that it is always assured that, concrete produced with that cement will always yield to desired properties without any issues.

By doing trials and errors, experiments and data’s provided by many, finally its decided to term cement as good as fresh till 3 months when stored as per the guidelines – it formed a expiry date in your terms. Because many do suggest to not to use cement after 3 months of its manufacturing (not storing).

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Do cement bags expire?

Period of Storing of Cement from Manufacturing Date – How To Check Cement Expiry Date No authentic documents are available per se which focus on the experiments being done on cement at the various ages of storing. Cement is a hygroscopic construction material. It quickly reacts with moisture (either in liquid or in vapour form). In the presence of moisture, cement undergoes a chemical reaction termed as hydration. How To Check Cement Expiry Date

Can cement be used after 3 months?

Please explain Based on lab experiment 3 months period was granted, however it is not very specific and as long as it meet the physical and chemical properties are unaffected even beyond three months the cement can be very well used as per code. You must log in or register to reply here.