 Model Number |
PO |
Ordinary Portland cement:
1) P. II52.5R, P. II52.5, P. II52.5 (R): High grade concrete, great span bridges and
Beams
2) P. II42.5R, P. II42.5: Large area concrete, such as airplane runways, and viaducts
3) P. O42.5R, P. O42.5, P. L42.5, P. C42.5: Bridges, roadways, high-rise buildings,
Normal industry and living buildings
4) P. O32.5, P. C32.5, P. L32.5: Normal industry and living buildings
5) Portland cement with sulfate resistance: Seaports, water conservancy, and
Subterranean water conservancy
6) Road Portland cement: High level roadways, freeways, airline runways, and
Projects requiring for high friction and shrink resistance
7) Middle-heat and low-heat Portland cement: Mass concrete projects, e. G. Dams
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