Cement ASTM Standards

ASTM Standards When purchasing cement, one quickly finds that the benchmarks by which reputable cements are tested are ASTM Standards. There are over two hundred ASTM standard tests relating to cement and concrete, and in addition to these there are a …

OPC 52.5

OPC 52.5 Old Portland cement 52.5 is the highest grade commercial Portland cement widely available on the market. With a minimum compressive strength of 52.5 MPa (or 525 kg/cm2) attained on the 28th day after pouring, OPC 52.5 is suitable for large load …

OPC 42.5

OPC 42.5 OPC 42.5 is a general use grade of ordinary Portland cement. Replacing the once popular OPC 33 in general cement work whilst maintaining its duties as a medium strength cement, OPC 42.5 is commonly used for both construction and pre-cast work.  …

Ordinary Portland Cement

Ordinary Portland Cement Portland cement is the most commonly used type of cement in the world today. Portland cement can be found in both concrete and mortar, not to mention other construction mediums such as stucco and some types of grout, where it ac …