Mir Ordinary Portland Cement

Ordinary Portland Cement often referred as OPC is the most common type of cement in general used around the globe. It is composed of concrete, mortar, stucco and most non-specialty grout. It conforms to the Standard: BDS EN 197-1:2003 CEM-I, 52.5 N

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Mir OPC is highly durable and extra strong due to 95%-100% clinker and very low percent of alkalis, chlorides, and magnesia. Mir Ordinary Portland Cement sets more quickly and attains 75% of its maximum strength within 7days. It is mostly used in large construction projects.

Composition of Mir Ordinary Portland Cement:

Clinker : 95% to 100%

Minor Additional : 0% to 5%

Mir Ordinary Portland Cement

3 Days (PSI)

7 Days (PSI)

28 Days (PSI)

Standard

Actual

Standard

Actual

Standard

Actual

Minimum 1740

3400-3800

Minimum 2760

4000-5000

Minimum 4060

6000-6500

Note: Average of 24 months based on the samples tasted at BUET

Fineness : 3200-4200 cm2/gm

Initial Setting Time : 100-120 minutes

Final Setting Time : 220-250 minutes

Uses:

  • Residential, commercial, and industrial complex

  • Highway, bridge, culvert, flyover, road, and runway

  • Heavy defense structure and prestressed concrete members