Basic Definition of PIR Insulation Duct Panel
PIR insulated air duct board is a kind of composite board specifically used for making the supply air, return air and exhaust systems of central air conditioning. You can understand it as the "Lego" blocks for making air ducts.
Its structure is usually a "sandwich" structure:
Core layer: Hard PIR insulation foam.
Surface layer: Usually composed of embossed aluminum foil, coated steel plate or other veneers, it serves to enhance, prevent moisture and seal.
core advantages of PIR Insulation Duct Panel
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Excellent heat preservation efficiency
PIR foam features a finer closed-cell structure and has an extremely low thermal conductivity, one of the lowest among all common insulation materials. This means that it can extremely effectively prevent the cold/hot air inside the pipeline from exchanging heat with the external environment.
Outstanding fire safety performance
PIR material has natural flame retardancy. When exposed to fire, its surface will rapidly carbonize and form a dense protective layer of coke. This protective layer can effectively prevent the further penetration and spread of flames, and has a low smoke emission.
It usually meets the national standard of B1 grade flame retardancy or even higher, with very high safety, and can meet the fire protection requirements of most commercial and public buildings.
Higher mechanical strength and durability
Compared with phenolic foam, PIR foam has higher physical strength and better toughness. This makes the boards less likely to be damaged during transportation and installation, and the integrity of the edges and corners is better. The air duct system made is also more robust and durable, with a longer service life.
Aspects to note of PIR Insulation Duct Panel
Cost consideration: The raw material cost of PIR duct panels is usually higher than that of traditional glass wool and phenolic foam products, but its outstanding long-term energy-saving effect and durability can balance the initial investment.
Professional installation: Despite its high strength, it still requires professional tools for cutting and installation to ensure the sealing of the interface, so as to achieve its maximum efficiency.
Product quality: There are numerous brands in the market. It is crucial to choose a reputable brand that provides complete test reports (such as fire resistance, environmental protection, and thermal conductivity).
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