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Difference between OPC 53 &OPC 43 grade of cement according to the initial and final setting time of cement.

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Asked: September 22, 20202020-09-22T13:55:52-07:00 2020-09-22T13:55:52-07:00In: Concrete
Komal Bhandakkar
Komal Bhandakkar

Komal Bhandakkar

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Difference between OPC 53 &OPC 43 grade of cement according to the initial and final setting time of cement.

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  1. aviratdhodare

    aviratdhodare

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    aviratdhodare
    2020-09-26T13:16:47-07:00Added an answer on September 26, 2020 at 1:16 pm
      43 Grade 53 Grade
    IS Code IS 8112 IS 12269
    Comp strength at 27°C

    3 days

    7 days

    28 days

     

    23 N/mm2

    33 N/mm2

    43 N/mm2

     

    27 N/mm2

    37 N/mm2

    53 N/mm2

    Initial strength gain Continues to gain strength after 28th day

    Ultimate strength will be the same for both

    Early strength gain
    Heat of hydration Medium Faster
    Price

    ACC

    Ultratech

     

    ₹305/50kg bag

    ₹325/50kg bag

     

    ₹365/50kg bag

    ₹395/50kg bag

    For concrete M20 & above grades, 8 – 10% saving is achieved

    Uses PCC & RCC works upto M30 grade, plastering, tiling, Brick & stone masonry, flooring, pathways, etc. Finishes of all types of bldg’s, bridges, culverts, roads, water retaining structures. All RCC structures like footing, column, beam & slab.

    RCC works where grade of concrete is M30 & above, High rise bldg’s, industrial works. Precast concrete items such as paving blocks, tiles bldg. blocks, pipes, railway sleepers, poles, etc.

    Cold weather concreting, cement groiuts, instant plugging, etc.

     

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  2. Kuldeep Singh

    Kuldeep Singh

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    Kuldeep Singh Learner
    2020-09-25T10:57:30-07:00Added an answer on September 25, 2020 at 10:57 am

    OPC 43 means that the cement is expected to reach a compressive strength of 43 MPa in a cube cast by 28 days. Similarly, OPC 53 reaches 53 MPa by 28 days.

    There is a contrasting difference in the setting times of these cements. OPC 53 sets quicker than OPC 43 and has a quite low initial setting time. It is used in structures where rapid strength gain is required like large load bearing structures like bridges, huge buildings, etc. OPC 43 on the other hand doesn’t set so quickly and has a normal initial and final setting time. It is hence used where rapid hardening is not necessary like flooring, plastering, etc.

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  3. nikeetasharma

    nikeetasharma

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    nikeetasharma Guru
    2020-11-28T13:15:09-08:00Added an answer on November 28, 2020 at 1:15 pm

    OPC 43 :- The 43 grade OPC is the most popular general-purpose cement in the country today. The production of 43 grade OPC is nearly 50% of the total production of cement in the country. This OPC43 continues to gain strength after 28 days.

    OPC 53 :- The 53 grade OPC is higher strength cement to meet the needs of the consumer for higher strength concrete. As per BIS requirements the minimum 28 days compressive strength of 53 grade OPC should not be less than 53 Mpa. Therefore, there is a vast difference in setting time of these cements. It sets very quicker and has low initial setting time. These types of cement can be used where rapid hardening is not needed.

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