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PSC Cement Test Results Week 38

The document is a test certificate for cement from Chaibasa Cement Works reporting the results of tests on cement against the requirements of IS 455. It provides the results of chemical composition, physical analysis including fineness, compressive strength, setting time, soundness, consistency and temperature for the cement. The cement was tested during week 38 from September 16th to 22nd 2020 and was found to comply with the requirements of IS 455 for Portland Slag Cement.

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891 views1 page

PSC Cement Test Results Week 38

The document is a test certificate for cement from Chaibasa Cement Works reporting the results of tests on cement against the requirements of IS 455. It provides the results of chemical composition, physical analysis including fineness, compressive strength, setting time, soundness, consistency and temperature for the cement. The cement was tested during week 38 from September 16th to 22nd 2020 and was found to comply with the requirements of IS 455 for Portland Slag Cement.

Uploaded by

kartick adhikary
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as PDF, TXT or read online on Scribd
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IS 455

ACC Limited
CM/L 1217737
Chaibasa Cement Works
PSC
PSC NFR
Despatched during Week No. 38 From 16/09/2020 To 22/09/2020
Test Certificate No. 38
Reference No. 38/LAB/TC/38
Dated 30/09/2020
Results Requirement as per
S.N Parameters
Obtained IS 455:2015
A. Chemical Composition
% Magnesium Oxide (MgO) 5.7 Not more than 10.0%
% Insoluble Residue 0.5 Not more than 4.0%
% Sulphur Trioxide (SO3) 2.4 Not more than 3.5%
1 % Sulphide Sulphur (S) 0.1 Not more than 1.5%
% Loss on Ignition 0.5 Not more than 5.0%
Not More than 0.1% for general purpose &
% Chloride Content (%)
0.02 not more than 0.05 % for pre-stressed
structures
B. Physical Analysis
Fineness
2 2
Blaine’s Specific Surface Area (m / kg) 308 Not Less than 225
Compressive Strength (MPa)
72 ± 1h (3 Days) 21.5 Not less than 16.0
3
168 ± 2h (7 Days) 32.5 Not less than 22.0
672 ± 4h (28 Days) * AWAITED Not less than 33.0
Setting Time (Minutes)
4 Initial 165 Not less than 30
Final 225 Not more than 600
Soundness
5 Le-Chatelier Expansion (mm) 0.00 Not more than 10.0
Auto-Clave Expansion (%) 0.01 Not more than 0.8
Normal Consistency (%) 29.8
6
Temp. During Testing (0C) 27.0 (27 ± 2)0 C

* Slag Content in Cement is (%) 58.5


* Compressive Strength (in MPa) of 28 Days is of Week No 38

T The above Cement complies with the requirements of IS 455 : 2015 for Portland Slag Cement.

_________________________ _________________________
Chief Manager (QA) Chief Manager Production

Registered Office: Cement House, 121, Maharishi Karve Road, Mumbai - 400020

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