Acid proof bricks chemical composition؛ Anti-acid brick against acidic substances and all kinds of acids should be used in spaces that can be in the vicinity of acid. Progress With the development and progress of the construction industry, products with various functions have entered the market, some of which are very resistant to earthquakes or some of which are good sound insulators, such as earthquake-proof bricks, soundproof bricks, anti-noise bricks. Sound, soundproof brick, soundproof brick. Acid and... You will find out exactly what kind of bricks are acid-proof bricks and what are their functions in the rest of this article. As mentioned, these bricks are actually anti-sulfuric acid bricks and are used where they are exposed to acid splashing or where there are sulfur pools. This material is completely resistant to acids such as sulfuric, hydrochloric and nitric acid, and carbon-based anti-acidic bricks can also be used in these situations. In addition to resistance to acid and alkali, these products show good resistance to thermal shock, temperature changes, and severe mechanical damage. 
They also have a porous surface. Anti-sulfuric acid brick is used in industrial places such as factories and workshops due to its resistance to acid, which we mention below: Factories producing corrosive chemicals, petrochemicals, power plants, etc.; Dairy and food factories; industrial battery rooms; plating tanks, phosphoric acid units, autoclaves, furnaces and gas burners; They are another type of building materials that are used in many industrial furnaces, glass factories, ovens, etc. due to their high temperature resistance. These materials are called refractory bricks, which are used in many interior and exterior facades of buildings today because of their beautiful appearance. In the products section of this site, you can see their types. If you are hesitating between buying anti-acid bricks or tiles, you should first identify your needs better and more. Sometimes the need for an anti-acid coating is solved by an anti-acid tile whose thickness is below 60 mm. But if the thermal and mechanical load on it is high, instead of using tiles, bricks with a thickness of more than 60 mm are used. Due to their high chemical resistance, anti-acid bricks are used in industrial places that are exposed to the fall of corrosive acids with different concentrations. Also, anti-acid brick is very efficient in sulfur ponds and other similar equipment, which in addition to high chemical resistance, due to extreme temperature changes, resistance to cracking is also required, Rang Aria Tehran Tehran Company is ready for any consultation, preparation and The execution of all types of acid-proof ceramics and bricks, as well as all types of acid-proof mortars, such as Furan mortar, for gluing all types of acid-proof ceramic tiles and its bonding. 
what material is acid proof
Mortar resistant to chemical substances has more tolerance. With high chemical resistance, the possibility of corrosion and protection against chemical attack is less. Also, by using high quality materials produced in chemical laboratories, pharmaceutical and fertilizer industries, it can be Increases the lifespan of tiles and other parts where anti-acid mortar is used. Mortar is attacked by strong oxidizers such as peroxides or nitric acid and is not resistant to bromine, chlorine, chromic acid and water solution. Anti-acid mortar is a two-component product that is produced and presented based on heavy mineral compounds. Anti-acid mortar is used to cover all types of concrete and metal surfaces exposed to severe corrosion and to install acid-resistant tiles. Anti-acid mortar, while having mechanical strength and excellent adhesion, has excellent stability against all kinds of strong mineral and organic acids, salts, solvents, oils and other corrosive chemicals. The most important feature of anti-acid mortar is thermal stability up to 600 degrees Celsius and no reduction in mechanical resistance up to the mentioned temperature. The resistance of this mortar is also significant against pure water - sea water, ionized water and normal alkalis. In general, anti-acid mortar must be used for the following reasons: Increased mechanical strength Increased adhesion Need more durability The need for mortar to be more resistant to mineral acids, salts, solvents and various chemicals The need to eliminate the vulnerability of ordinary mortars against temperature Lack of resistance of ordinary mortar even against water What are the characteristics of anti-acid mortar? Some types of mortar are anti-hydraulic acid and have high durability. This material is resistant to chemical attack by alkaline and salt solutions from pH 5 to 14. With the use of hydraulic mortars, chemical action hardens at temperatures of 40 degrees Celsius. All types of anti-acid mortars are highly resistant to heat. High tensile strength and good adhesion properties It is suitable for connecting acid-resistant bricks or tiles to each other or covering them. Mortar is resistant to erosion by acids. It is often resistant up to 1400 degrees Celsius. May be used in direct contact with steel, iron, lead and most other materials. They are very resistant to sulfate, flowers and blossoms. Various functions of anti-acid mortar: Some of them are for installing all concentrations of sulfuric acid and strong oxidizing acids such as nitric and chromic. Sulphate resistance Can be used to connect brick band in large industrial chimneys By tending to lower operating temperatures in these chimneys, the acid concentration is significantly stronger and the moisture content is increasingly higher in the gases. As a result, moisture can be as much of a problem as acids and it is very important that the materials used for chimneys are acid and water resistant. Anti-acid mortar suitable for this situation can be very helpful. Anti-acid mortar resists water and acids (except hydrofluoric) in widths and joints when used properly. 
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There are different types of anti-acid bricks. The most used is red shale. Others include clay, silica brick and carbon brick. Anti-acid bricks should be produced in two classes: 1. Class 1 bricks These anti-acid bricks are recommended for severe conditions in corrosive environments, such as acid washing tanks, storage tanks and high-traffic floors exposed to frequent contact with corrosive liquids. Class 2 bricks These types of acid resistant bricks are recommended for work areas and floors where fumes, acids and chemicals are sometimes poured into manure silos. These are also used for lining and covering silos. Anti-acid tiles are used as flooring and cladding in many chemical reactors and tanks for acids and other chemicals in chemical plants, fertilizer plants, sulfuric acid plants and iron and steel plants. 
These tiles are the most effective raw materials for almost all anti-corrosion methods and are offered in different thicknesses. Acid-resistant bricks and tiles differ from ordinary commercial bricks and tiles in several ways, but the most important physical differences are the low absorption rate and the variety of physical forms available. Acid-resistant tiles are usually much thicker than regular tiles. Typical acid resistant tiles are 20-25mm thick, while most commercial floor tiles are only 5-8mm thick.