Why Does Cement Clump? Here's the Right Way to Store It

Cement is one of the main building materials whose quality must be maintained to remain optimal when used. However, cement often clumps, making it difficult to use and reducing its quality. What causes it, and how to store cement properly? See the explanation below!

Causes of Clumping Cement

1. Exposed to Moisture or Water
Cement is hygroscopic, meaning it can absorb moisture from the air. If not stored properly, moisture will cause cement particles to clump and harden.

2. Storing Too Long
Cement has a limited shelf life, usually a maximum of 3 months from production. If stored too long without proper protection, its quality will decrease and there is a risk of clumping.

3. Damaged or Torn Packaging
If the cement packaging is torn or has holes, air and moisture can enter and cause clumping.

4. Stored in a Place That Is Not Dry
Stacking cement in an open area or on an unpaved floor can increase the risk of contact with moisture, especially if exposed to water seepage.

5. Contamination with Other Materials
Cement mixed with foreign objects such as sand or dust can trigger an initial reaction that causes clumping before use.

How to Store Cement Properly

1. Store in a Dry and Closed Place
Make sure the cement is stored in a closed, dry, and non-humid room. If possible, use a dehumidifier or good ventilation.

2. Use Wooden Pallets or Shelves
Do not place cement sacks directly on the floor. Use wooden pallets or shelves with a minimum height of 10 cm from the floor and 30 cm from the wall to avoid contact with moisture.

3. Do Not Stack Too High
Cement stacks that are too high can cause excessive pressure on the sacks below, which can accelerate clumping. Ideally, the stack should not exceed 10 sacks.

4. Use Older Cement First
Implement the first in, first out (FIFO) system, which is to use cement that has been stored longer first so that it does not stay in the warehouse for too long.

5. Check the Packaging Regularly
Make sure the cement sack is not torn or leaking. If any are damaged, immediately move them to a closed container to avoid air contamination.

Clumping cement can occur due to humidity, improper storage, or damaged packaging. To maintain quality, cement must be stored in a dry, closed place and away from humid air. With proper storage, the quality of the cement is maintained, and the construction project can run smoothly.

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