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Lingying Technology: What kinds of fire-resistant coatings?

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Lingying Technology: What kinds of fire-resistant coatings?

作者: Release Date: 2018-03-09 Author: Click:

Classified by use: fireproof coating for steel structure, fireproof coating for tunnel, fireproof coating for facing, fireproof coating for concrete, fireproof coating for cable.

(1) Steel structure

As a form of high-rise building structure, steel structure is widely used in the construction industry for its high strength, light weight, good extensibility, seismic resistance, and short construction cycle, especially in super high-rises and large spans. Aspects such as architecture show strong vitality. The mechanical strength of steel decreases with increasing temperature. At about 5000 ° C, its strength decreases to 40% to 50%. The mechanical properties of steel, such as yield point, compressive strength, elastic modulus, and load capacity, etc., decrease rapidly , And soon lost support, causing the building to collapse. Therefore, protection of steel structures is imperative. The steel structure fire-resistant coating is brushed or sprayed on the surface of the steel structure, which plays a role of fire insulation and prevents the steel from rapidly rising in the fire and reduces the strength.

(2) Fireproof coating for tunnel

Tunnel fireproof coatings are mainly suitable for fire protection of highway tunnels and railway tunnels, as well as fire protection needs of petrochemical engineering, high-rise buildings, steel structures, and underground garages. Highway tunnels are generally in mountainous areas, and tunnel holes are shady, humid, and poorly ventilated. The inner wall of concrete is prone to mildew, mildew, alkali, and shedding. Long tunnels are far away from the city, there is no reliable source of fire fighting water, unbalanced traffic flow in the tunnel, uncertain vehicle goods, and uncertain fire load, which determine the unpredictability of long tunnel fires. Therefore, the painting works in highway tunnels should consider not only its good decorative properties, but also its excellent waterproof performance, mildew resistance and fire resistance.

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(3) Finishing fireproof coating

In addition to fireproof coatings for steel structures, decorative fireproof coatings and cable fireproof coatings have also developed rapidly. Facing fire-resistant coating is a new type of coating that integrates decoration and fire protection. When it is coated on a flammable substrate, it can usually play a certain decorative role; once a fire occurs, it can prevent the fire from spreading, thus To achieve the purpose of protecting flammable substrates.

(4) Fireproof coating for concrete

In high-speed development buildings, concrete building structures are very common. Among them, prestressed reinforced concrete has better crack resistance, stiffness, shear resistance and stability than ordinary reinforced concrete, lighter weight, and can save concrete and Steel.

(5) Fireproof coating for cable

The cable fireproof coating is developed based on the decorative fireproof coating based on its own requirements. Its physical and chemical properties and weather resistance are good, the coating is thin, and it can generate a uniform and dense sponge-like foam insulation layer in the event of fire. Thermal insulation and fire protection effects, so as to achieve the purpose of protecting cables, preventing the spread of flames, preventing the occurrence and development of fire. As an important product for cable fire protection, cable fire protection coating has played an active role in reducing cable fire losses and protecting people's property through its application in the past 20 years.

Fireproof coatings, steel structure fireproof coatings , fireproof coatings manufacturers

URL of this article: http://amm300.com/news/383.html

Related tags: Fireproof Coatings , Steel Structure Fireproof Coatings , Fireproof Coatings Manufacturers

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