CHEMICAL-RESISTANT LINING

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Lining is a protective coating for the structural elements of buildings or equipment that helps reduce the negative impact of high loads and environmental factors. A wide variety of compounds — both heterogeneous and homogeneous — can be used as lining.

Types of lining

Lining can be made of carbon fibre, rubber, polyethylene, polyurethane and other coatings whose physical and chemical characteristics allow reliable protection of the surface from various destructive effects – impacts, friction, high humidity, chemical loads and so on.

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Lining of concrete floors and equipment is intended for reliable protection of the base from significant mechanical loads, the potential influence of chemicals, high humidity, increased temperature and other negative factors that characterize the given operating environment.

As a rule, floor lining is widespread in most industries. It is used in assembly shops, petrochemical facilities, nitrogen-industry enterprises, ammonia and methanol production, sulphuric-acid production, machine-building enterprises, textile, food and printing enterprises and many other facilities.

Field of application

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A variety of coatings are used for lining floors and equipment, which, depending on the type of binder, are divided into acrylic-urethane, epoxy, polyurethane, epoxy-polyurethane and methyl methacrylate. In addition, acid-resistant tiles are used for lining floors, laid on chemical-resistant binders based on furan, phenolic and vinyl resins and liquid potassium glass.

All lining work is carried out on a concrete base or a cement screed. The floor base under the polymer coating is pre-treated – ground, milled and usually coated with an epoxy primer. After that a polymer mass is applied, levelled and then left until fully cured.

Properties

Lining makes it possible to give floors special characteristics. Among them are high hygiene, moisture resistance, dust-free operation and chemical resistance. In addition, they can withstand increased mechanical and impact loads. Another important point: depending on the material used, they differ in significant decorative qualities. Largely thanks to lining, the overall service life of floors increases, which reduces the financial cost of their repair.