PRODUCT AND QUALITY CONTROL
TEST RESULTS OF CEMENT SAMPLES FROM UNITS
* 43 GRADE OPC-BOKAJAN
* 33 GRADE OPC-BOKAJAN
* 43 GRADE OPC-RAJBAN
* 43 GRADE OPC-TANDUR
* 53 GRADE OPC-TANDUR
* 53S GRADE OPC-TANDUR
* PPC GRADE -RAJBAN
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33 GRADE OPC-BOKAJAN CEMENT SAMPLE TESTED AS PER IS:269-1989
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S.NO.
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TEST
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REQUIREMENT
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NTH GUHAWATI
(August. 2009)
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BKO LAB
(Jan 2010)
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- Compressive strength MPa
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(a)
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3 days
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16 (Min.)
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24.09
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21.80
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(b)
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7 days
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22 (Min.)
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39.80
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31.80
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(c)
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28 days
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33 (Min.)
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41.60
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41.70
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- Setting time (Minutes)
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(a)
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Initial
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30 Minutes (min.)
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130
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76
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(b)
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Final
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600 Minutes (max.)
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215
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127
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3.
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Fineness-Sq.M/Kg.
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225 (Min.)
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309.90
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428
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- Soundness
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(a)
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Le-Chatelier (mm)
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10.0 (max)
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0.08
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1.0
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(b)
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Autoclave (%)
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0.8 (max)
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0.02
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0.02
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43 GRADE OPC-BOKAJAN CEMENT SAMPLE TESTED AS PER IS:8112-1989
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S.NO.
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TEST
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REQUIREMENT
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BOKAJAN LAB
(Jan 2010)
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NTH-GUHAWATI
(MARCH-09)
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- Compressive strength MPa
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(a)
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3 days
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23 (Min.)
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27.00
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31.10
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(b)
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7 days
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33 (Min.)
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37.50
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41.90
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(c)
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28 days
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43 (Min.)
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48.60
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49.10
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- Setting time (Minutes)
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(a)
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Initial
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30 Minutes (min.)
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77
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90
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(b)
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Final
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600 Minutes (max.)
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128
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195
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3.
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Fineness-Sq.M/Kg.
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225 (Min.)
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440
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287.60
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4. Soundness
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(a)
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Le-Chatelier (mm)
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10.0 (max)
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1.00
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1.00
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(b)
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Autoclave (%)
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0.8 (max)
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0.02
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0.01
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43 & 53 GRADE OPC-TANDUR CEMENT SAMPLE TESTED AS PER IS:8112-1989 AND IS:12269-1987
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S.NO.
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TEST
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REQUIREMENT
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NCB HYDERABAD
53 GRADE Nov- 2009)
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NCB HYDERABAD
43 GRADE (OCT- 2009)
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NCB
53.5
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- Compressive strength MPa
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(a)
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3 days
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27 (Min.)
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41.50
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37.00
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38.50 |
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(b)
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7 days
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37 (Min.)
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52.50
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50.00
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54.00 |
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(c)
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28 days
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53 (Min.)
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62.00
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61.00
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54.50 |
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2. Setting time (Minutes)
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(a)
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Initial
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30 Minutes (min.)
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140
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135
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130 |
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(b)
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Final
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600 Minutes (max.)
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175
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170
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170 |
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3.
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Fineness-Sq.M/Kg.
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225 (Min.)
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325
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300
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431 |
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4 . Soundness
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(a)
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Le-Chatelier (mm)
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10.0 (max)
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0.02
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1.00
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1.00 |
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(b)
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Autoclave (%)
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0.8 (max)
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0.12
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0.03
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0.06 |
43 GRADE & PPC-RAJBAN CEMENT SAMPLE TESTED AS PER IS:8112-1989 AND IS:1489-1991
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S.NO.
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TEST
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REQUIREMENT 43 GRADE
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TEST RESULT (Nov.-09)
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REQUIREMENT PPC RAJBAN LAB
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TEST RESULT (Nov.-09)
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- Compressive strength MPa
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(a)
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3 days
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230 (Min.)
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280
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160 (Min.)
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220
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(b)
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7 days
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330 (Min.)
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385
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220 (Min.)
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295
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(c)
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28 days
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430 (Min.)
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685
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330 (Min.)
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380
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- Setting time (Minutes)
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(a)
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Initial
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30 Minutes (min.)
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80
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30(Min.)
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80
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(b)
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Final
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600 Minutes (max.)
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155
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600 (Max.)
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155
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3.
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Specific Surface cm2/gm
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2250 (Min.)
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3407
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3000 (Min.)
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3648
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4. Soundness Expansion by.
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(a)
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Le-Chatelier (mm)
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10.0 (max)
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1.00
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10.0 (Max.)
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1.0
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(b)
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Autoclave (%)
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0.8 (max)
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0.10
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0.80 (Max.)
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0.10
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CCI Product Details | Steps Taken For Quality Control | Instructions Issued To Quality Assurance Cell At Plant Level | Cement Testing From Reputed Laboratories | Instructions Regarding Preparation Of Cement Samples | Test Results Of Cement Samples From Units