Acid-resistant brick: characteristics

The acid-proof brick is capable of undergoing the action of acids. These products are actively used in industrial enterprises.

Scope of acid-resistant products

The products mentioned above are used to protect all kinds of equipment that inevitably come into contact with aggressive substances during operation. This material is popular in the construction of various industrial structures, chimneys, flues, towers, gutters, and tanks. Apply such bricks and in the lining of pipes that divert substances with active and toxic components. Fuel stations also can not be built without acid-resistant material.

Production features

The acid-proof brick has ingredients that are pre-treated. Typically, these products contain clay, dunite and some additives. All these components are necessary for giving strength to bricks. Clay, sand and chamotte are baked, sintered at significant temperatures, which can reach 1300 ° C. After you can get a brick that not only has these qualities, but also does not fear the effects of concentrated alkalis and high temperatures. Products are well undergone mechanical effects.

The acid-resistant brick is used in tandem with a special acid-resistant putty. For the cutting of the material, an installation working by the electric motor is used.

Parameters of acid-resistant brick according to GOST

The acid-proof brick has a weight of about 3.5 kg, but this figure can vary depending on the shape and size. So, the most common are straight and wedge products, which can be end or edge. The block can be radial, and it, in turn, is divided into longitudinal and transverse bricks.

Most often in construction, dimensions of 230x113x65 mm are used. Acid-resistant brick may have some deviations from the dimensions specified by GOST. The permissible error varies within 2-8 mm.

Sometimes it becomes necessary to work with a thickened product. This involves the use of a sesquisthe or double brick, each of them according to the principle of the usual can be solid, hollow or porous. Hollow bodies have one or more holes, the shape and dimensions of which can be different. Such blocks do not exert such an imposing load on the base of the building, and the walls, based on the described products, are characterized by the qualities of thermal insulation. In addition, they are cheaper because of the less impressive consumption of raw materials.

But it is not recommended to use hollow material in case the structure will directly contact with water.

Acid-resistant brick (GOST 474-90)

When purchasing products that have the above qualities, pay attention to the fact that they must be produced in accordance with GOST 474-90. The acid-resistant brick in this case has small fractions at the fracture, and its surface is uniform. Do not use blocks that have internal cracks. This indicates a marriage, long such bricks do not serve.

It is necessary to ensure that there is a marking, it is located on one side of the brick. On the box, package, and also the pallet there should be a label on which it is possible to find the information on a class of a product, quantity of the goods, number of a party and date of manufacturing.

During transportation, the brick must be well packed in pallets manufactured according to specifications 21-28-60, they can be replaced with containers made in accordance with the standard 19667. To prevent rollover during transportation, the bricks are tied with a metal band.

It is extremely important when buying to pay attention to GOST. The acid-proof brick produced without observing the mentioned norms will not meet the listed quality characteristics, it will not protect the structures and structures. Do not transport products in boxes or packages weighing more than 1 ton.

To buy such a brick for private construction is inexpedient, since it has a more impressive cost than usual.