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Question:

What is the meaning of 53 grade cement ?

What is the meaning of 53 grade cement ?

Answer:

The grade of a portland cement corresponds to how much pressure it can take after it has set for 28 days. 53-grade cement must have a compressive strength of 53 MegaPascals (7687 pounds per square inch) after 28 days. There are also 33 and 43 grades, which must have minimum compressive strengths of 33 and 43 MPa respectively.

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