Cement isn't all the same! Each type of construction requires a different material to guarantee stability and safety. In civil construction, it's important to know how to specify this type of complement, ensuring that the structure's limits are properly respected and nothing deviates from the plan. project proposed.
Cement formulas vary from one another, ensuring that each cement performs its purpose flawlessly. Individually, they are manufactured and designed to serve a specific type of construction, whether for exterior or interior applications. To better understand the differences between cements, read this article to the end.
Main types of cement on the market
Below, you'll find information on the main types of cement available on the market, so you can understand their differences once and for all.
CP I: Ordinary Portland Cement
This cement can be considered the most basic on the market. It has a simpler formula and is suitable for projects that do not have specific requirements for the type of cement that will need to be used.
The only additive included in this type of product is plaster, which acts by delaying hardening, giving the professional more time to complete the application. Its resistance is very low, and the industry prioritizes its use.
CP II-S: Ordinary Portland Cement with Additive
The CP II-S model has very similar characteristics to the material presented in the previous topic. The main difference between them is that this one has an addition of pozzolanic acid, responsible for reducing the permeability of the product.
CP II-E: Portland Cement Additive with Blast Furnace Slag
CP II-E cement is seen as a product that falls between standard and additive cements. It is used especially in applications requiring a very slow heat release. The presence of blast furnace slag in its composition allows it to have a low heat of hydration.
CP II-Z: Pozzolanic Additive Cement
The cement in question contains a pozzolan additive in its formulation, but with a slightly higher concentration, which ensures it is more waterproof. Because of this characteristic, the cement is more suited for use in underground construction projects, which have high humidity or direct contact with water.
CP II-F: Cement with Carbonate Additive – filler
For those who need an efficient cement for simple construction projects, this is the best model. It guarantees strength in conjunction with concrete, reinforced concrete, and prestressed concrete. Its formula contains approximately 6% to 10% of carbonate filler to ensure greater strength.
CP III: Blast Furnace Cement
Blast furnace cement has a low heat of hydration, greater durability, and impermeability. Its resistance is excellent for environments with large temperature variations. Its composition can contain up to 70% of slag, ideal for highly aggressive environments.
CP IV: Pozzolanic Cement
Due to its composition containing approximately 15% to 50% of pozzolan, its high impermeability and durability are key characteristics. The material is also resistant to acidic environments and direct contact with sulfates.
CP V: High Early Strength Cement
This cement is very similar to the common type, as it contains no additives in its formula. However, the manufacturing method differs because it involves the addition of clay and limestone through fine grinding. Due to these physical characteristics, its strength is guaranteed quickly.
RS: Sulfate Resistant Cement
To emphasize the difference between cements, the sulfate-resistant type has a wide variety of manufacturing formulas, which can vary depending on the brand. It is generally used in sewer systems because of its containment effectiveness.
BC: Cement with Low Heat of Hydration
Its use is primarily focused on constructions where it is necessary to withstand a series of temperature variations. Due to its low calorimetry, it has broad resistance to cracking that may result from material expansion and contraction.
CPB: White Cement
Finally, there is white cement, which is manufactured from kaolin instead of clay. Its use is directly aimed at grouting ceramics, offering high resistance.
Portland: where did the name come from?
The "P" in the acronyms refers to Portland stone, which is the type with the highest binding capacity in civil construction. Its origins are linked to England, as most construction there was done using crushed stone directly from the Isle of Portland.
When learning about the different types of cement, check with professionals to determine which one will be most suitable for the job to be done and ensure a proper execution.
