White cement has the same structural characteristics as gray cement, but the difference in its color and raw materials has caused this type of cement to be used more in facades and decorative applications such as sealing ceramic seams
The most important difference between white cement and black cement is in Its application and its uses.
To prepare white cement, clay with less iron and magnesium sulfate is used - less than 8%. Also, a fuel without soot is used for mixing and baking the raw materials of cement, and in grinding clinker (a product prepared from the combination of clay and lime in the kiln) to make it whiter and also to make it stronger, gypsum powder is added to it.
White cement is mainly used in interior and exterior decoration because it is white, while gray cement is mostly used in construction. Another difference between white and black cement is its price, which is approximately White cement is twice as expensive as black cement. For this reason, during the production of white cement mortar, which is usually used for cleaning and work on the facade, care should be taken that the pollution of the environment, tools and containers does not change the color of the white cement mortar.
In terms of storage and storage There is not much difference between black and white types of cement.
There is not much difference between these two products in terms of adhesion and grip.
The difference between white and black cement in terms of ingredients
The raw materials that make up Portland cement include lime, oyster, iron ore and clay. Producers collect these raw materials from mines and... Gray cement contains iron, manganese, chromium and magnesium in its raw materials. But white cement contains lime and has very small amounts of gray cement ingredients. Concrete made of white cement should have lumps like marble that does not cause color in it.
The difference between white cement and black cement in the production method
Both white and gray cement enter the process of grinding and heating in the furnace. Manufacturers add gypsum in the production of gray cement. White cement is usually softer than gray cement after grinding.
In the production of white cement, metal tools are used less because metals can create colored oxides in white cement and spoil its white color. For this reason, it is recommended to use ceramics in the production of white cement.
The difference between white and black cement in properties
Gray cement is highly durable for structures such as bridges and residential buildings. Gray cement costs about half the cost of white cement to produce and is more abundant than white cement.
White cement has the same structural capacities as gray cement, but due to its higher price due to its white color. It is used in applications that have a beauty aspect. White cement can be turned into colored cement by adding different pigments.
The difference between black and white cement in their resistance
White cement is actually the same as white Portland cement, calcium silicate is one of its main components. When grinding cement, you are allowed to add more than 5% limestone from cement. White cement is more decorative and its manufacturing method is much easier than normal cement. This cement is usually used for white porcelain cracks and is not used for walls. This is because it does not have enough resistance compared to black cement. White cement is usually sold as building materials used in decoration, and its usual characteristic is that it has a high degree of whiteness and its color is bright. This product is used in architectural decoration, painting, sculpture, ordinary floor and terrace. Also, white cement is one of the materials used in the production of white and colored concrete.