Trivia
Portland cement derives its name from its similarity to Portland stone, which was quarried on the Isle of Portland in Dorset, England. It was named by Joseph Aspdin, an English cement manufacturer, who obtained a patent for it in 1824.
53 grade OPC Characteristics
Used for higher strength concrete
Is economical
Per BIS requirements, the minimum 28-day compressive strength should not be less than 53 MPa
Can save 8-10% of cement in concrete mix design
Applications
- Reinforced Cement Concrete (RCC) works
- Precast concrete items such as paving blocks, tiles, building blocks, etc.
- Pre-stressed concrete components
- Runways, concrete roads, bridges, etc.
43 grade OPC Characteristics
Most popular general-purpose cement
Accounts for ~50% of the total cement produced in India
As per BIS requirements, the minimum 28-day compressive strength should be minimum 43 MPa and maximum 58 MPa
Applications
- General civil engineering construction works
- RCC works
- Precast items such as blocks, tiles, pipes, etc.
- Asbestos products such as sheets and pipes
- Non-structural works such as plastering, flooring, etc.