Sulphoaluminate Cement and ordinary cement are both types of cement. Cement is made by mixing and grinding clinker obtained from calcination with an appropriate amount of gypsum. Sulphoaluminate cement refers to cement made by grinding clinker, which is burned from pure bauxite and pure gypsum, with a large amount of water glass. In contrast, ordinary cement is made by grinding mixed clinker and gypsum.
Different Chemical Properties
Sulphoaluminate Cement's main components are Sulphoaluminate minerals, including CaO, Al2O3, Fe2O3, and SO3, etc. Sulphoaluminate cement releases a large amount of heat during its chemical reaction, has a high sulfur content, and possesses higher chemical corrosion resistance, maintaining its strength and hardness in concentrated acids, alkalis, and other media. Therefore, it is widely used in fields such as anti-corrosion, acid resistance, and alkali resistance. The main components of ordinary Portland cement are silicate minerals, including SiO2, CaO, Al2O3, Fe2O3, and MgO, etc., with relatively low sulfur content. It has no obvious advantages in chemical properties and is suitable for various conventional buildings.
Different Decorative Uses
Sulphoaluminate Cement is often used in special projects such as chemical pools, wastewater treatment pools, anti-corrosion floors, power station boilers, and metallurgical furnaces. This is because it can resist environmental erosion from corrosion, high temperatures, and humidity, and its high strength and durability after hardening are beneficial. Ordinary Portland cement is a commonly used building material mainly used for building foundations, pillars, walls, floors, etc. It can also be used in road, bridge, and hydraulic engineering construction fields.
Different Mechanical Strength
Sulphoaluminate Cement exhibits better mechanical strength, with higher crack resistance, wear resistance, and compressive strength than ordinary cement. The mechanical strength of Sulphoaluminate cement is more prominent, with its advantages of getting harder the more it is subjected to force being more apparent.
Construction Differences
Sulphoaluminate Cement and ordinary cement also differ in terms of construction. Sulphoaluminate Cement can be constructed within 1.5-2 hours after mixing. However, during the molding of Sulphoaluminate cement, it needs to be done in a sealed environment to prevent moisture evaporation before setting, and the storage conditions of the materials are also very important. The construction time for ordinary cement is relatively longer, requiring 3-5 hours to solidify, and during construction, it is necessary to prevent water accumulation to avoid affecting the quality after hardening.
After a detailed comparison between Sulphoaluminate Cement and ordinary Portland cement, we can see differences in their chemical composition, uses, mechanical strength, and construction methods. Each type of cement has different properties and uses. Sulphoaluminate Cement has better chemical corrosion resistance and mechanical strength compared to ordinary cement. When choosing to use cement, we need to select based on the specific application to achieve the best use effect, save material costs, and ensure construction quality and time efficiency.