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China Coatings Online News Information
Fireproof coating is an effective anti-fire prevention material, can effectively protect the safety of life and property, and fire protection coatings are divided into two types, one is an expansion type of fire protection coating, one is a non-expansion type of fire protection coating. Here's a look at the characteristics of fireproof coatings.
expansion type fire protection coating is based on polymer, add foaming agent, dehydrated carbon catalyst, carbonizer and other fire-resistant components, coating in flame and high temperature, the surface coating will melt, foam, bulge, forming a uniform and dense honeycomb-shaped or spongy carbon foam insulation layer, and release non-combustible gas. This expansion of spongy insulation layer thickness, often the original coating thickness of dozens or even hundreds of times, can be a good insulation of oxygen and heat conduction, and the coating is generally thin, conducive to meeting the decorative requirements.
non-expansion fire protection coatings are made of flammable resins, flame retardants, fire fillers, etc. Can be made of inorganic salts adhesives, with mica, borates and other inorganic salts, but also can be used in halogen-containing thermoplastic resins mixed with halides and white powder processing. The paint itself is flammable or non-flammable to achieve flame retardant purposes, combustion when the formation of a thin protective layer, poor insulation, can only resist transient high temperature and flame, and the coating is thicker.
aspects, expansion-type fire protection coatings are more widely used, its fire prevention effect is good, is the trend of the development of the fire-resistant coatings industry, but also advocated by the state.
, the application of fire-resistant coatings in what areas we need to pay attention to. In the construction industry is developing rapidly now, the requirements for decorative and fire protection is also higher and higher, and the demand for fire protection coatings is also very large.
so far, the application of fireproof coatings in the field of
1. Used to improve the flame spread characteristics of substrate materials, such as wood and other flammable materials and used as lining, setting, cushioning, partition and so on.
2. For controlling the flame spread characteristics of non-flammable substitial materials, as well as other reasons for protection, such as decorative, color stability, physical mechanical stability and durability for use at room temperature.
3. Used to improve the fire resistance of substrate and other materials, such as for load-bearing and non-load-bearing structural parts, including steel structural parts, cast iron components, on-board and offshore building structures such as walls, walls, frames, partitions and other floors, aluminum structural parts, metal and non-metallic cables, etc.
4. To reduce, prevent or prevent the destructive effects of flame on the equipment of a gas storage device (e.g. gas pipelines, tanks, tanks, etc.).
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