Industry News

What is the difference between fireproofing and thermal insulation coatings? What effect can they achieve?

2024-05-08

      The purpose of fireproof coating is to slow down the heat conduction of the steel structure of the steel building after the fire occurs, preventing the building from collapsing and leaving the people inside the building structure to escape. Fireproof coating is divided into intumescent and non-intumescent, intumescent refers to the fire after expansion of heat insulation, non-intumescent refers to the fire, not expansion, but rely on their own thickness and material properties of heat insulation.

      Heat-insulating coatings refers to the use of paint is the temperature of the surface of the equipment is reduced to the required range, this is also different from the high-temperature resistant coatings, high-temperature resistant coatings refers to coatings encountered more than 150 ° C high temperatures, does not fall off, does not change color, and so on.

      Hollow ceramic suspended particles and water-based nano-materials made to provide thermal insulation and heat preservation, anti-corrosion integrated protection. Pipelines and tanks, equipment thermal insulation heat preservation method commonly used in the use of rock wool, polyurethane foam, perlite and other insulation materials package. The disadvantages of this type of thermal insulation is: normal operation occurs under thermal cycling conditions, moisture condensation occurs, resulting in local electrolyte solution aggregation, which in turn causes corrosion of steel, and it is difficult to be detected and found. Each year, the petrochemical industry loses billions of dollars due to corrosion under the insulation layer. Will be coated in the delivery of thermal energy pipeline, and storage of heat medium container of the external surface, the use of thickness of 2.0 ~ 2.5mm, the surface temperature from 200 ℃ to 54 ℃, reduce heat loss, energy saving efficiency of about 15%, improve productivity, but also to prevent the staff from scalding. Water-based nano-insulation thermal insulation and anti-corrosion coating porcelain, and the substrate is closely integrated, no corrosion under the insulation layer, to protect the steel substrate to avoid external corrosive substances erosion, to improve the use of equipment life source only life. Can also be coated with top coatings on its surface, giving the appearance of the equipment a variety of colors. Relative to the complex structure of the outer surface, can not destroy the oak using the traditional way of heat preservation, the product can be coated with airless spraying at will on the surface of the heterogeneous structure. And water-based nano thermal insulation and anticorrosion coating porcelain zero VOC, will not produce a threat to human health and environmental pollution.






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