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CCI manufactures various types of cements like ordinary Portland Cement (OPC) & Pozzolana Portland Cement (PPC) of different grades viz 33, 43 ,53 grades under strict quality control with the brand name of CCI Cement.

Salient characteristics of different types of cement produced by
CCI are :

CHARACTERISTICS

OPC 53 GRADE IS 12269

OPC 43 GRADE IS 8112

OPC 33 GRADE IS 269

PPC IS 1489

YEAR

1987

1989

1989

1991

Fineness-
Minimum specific
surface-cm2/gm

3000

3000

3000

3200

Setting time
(Minutes)

a)

Initial-not
less than

30

30

30

30

b)

Final-not
more than

600

600

600

600

Soundness-
Expansion by

a)

Le-Chatelier (mm) 10.0(max)

10.0(max)

10.0(max)

10.0(max)

10.0(max)

b)

Autoclave (%)

0.8(max)

0.8(max)

0.8(max)

0.8(max)

Minimum
Compressive strength
(Kg/cm2)

a)

3 Days

270

230

160

160

b)

7 Days

370

330

220

220

c)

28 Days

530

430

330

330

In CCI CEMENT quality parameters namely fineness & compressive strength are maintained 15-20% over and above the prescribed BIS specifications.

QUALITY CONTROL:

CCI is committed in supplying quality cement to its customers. To achieve this, fully equipped inhouse laboratories in manufacturing units keep strict control right through the manufacturing process from mining of limestone to despatch of cement. In new plants, automatic quality control is done through online X-ray analysers and computer controlled systems. Research and Development Centre has also been set up to give back-up support for operational efficiency and for technological innovations.


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

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