OPC 42.5 R

OPC 42.5 R
Ordinary Portland cement 42.5 is the standard grade of cement used in the majority of ordinary cement applications, such as pavements, residential buildings, and pipes. OPC 42.5 comes in two sub grades, OPC 42.5 R, and OPC 42.5 N.
OPC 42. 5 R develops high strength early in the curing phase, whereas OPC 42.5 [...]

Cement Types

Types of Cement
Wondering what type of cement best suits your project? Refer to this basic guide to cement types to identify which of our cement products will make your project a success. This guide covers the three major cement categories, Portland cements, which dominate the market, Blended cements, which are starting to make their presence [...]

Portland Cement Grades

Ordinary Portland Cement Grades
Just as there are various types of Portland cement available for different applications there are also various grades of cement existing within ordinary Portland cement. Ordinary Portland cement can be classified as being either 33 grade, 43 grade, or 53 grade, though sometimes the latter grade types are referred to as 42.5 [...]

History of Cement

Cement History
The concept of cement has been with humanity virtually since the first attempts at construction began over 600,000 years ago when man moved out from the caves and began to construct his own housing from wood and wattle, and then later on, from mud bricks.
Wood and wattle houses (also known as post houses, because [...]

Cement

Cement
Cement is a fine ground powder which when mixed with water forms a paste which quickly dries and hardens. Cement is an excellent binding agent and is often used in construction applications to create a bond between the surfaces of two or more objects. Cement is also used heavily in the manufacturing of both [...]