Several common composite air duct insulation materials on the market are simple to do

A simple analysis of several types of composite air duct insulation materials commonly available on the market: 1). Inorganic glass fiber reinforced plastic composite air ducts. This type of composite air duct is also a relatively new one, which is made of glass fiber reinforced inorganic materials. Yes, it will not catch fire when it encounters fire, and it has excellent corrosion resistance, but it is prone to brittleness. It does not have the function of heat preservation and noise reduction. It is relatively long to produce. 2). This type of galvanized sheet steel composite air duct is a relatively traditional composite air duct. It is processed by galvanized sheet steel and is more suitable for conveying some relatively dry gas. This type of air duct is easy When rust occurs, there is no heat preservation effect and noise reduction effect, and it takes a long time to make and install. 3). Composite glass fiber board composite wind pipe. This type of wind pipe has only been used in recent years. Its base material is mainly centrifugal glass fiber board. There will be glass cloth inside the wind pipe and aluminum foil with moisture-proof effect on the outside. After the cloth is dried by fireproof adhesive, it is processed by cutting, grooving, bonding and reinforcement, and then the most suitable reinforcement method is adopted according to the size of the cross section of the composite duct and the wind pressure. . 4) Fiber fabric composite air duct This type of air duct is sometimes called cloth bag composite air duct, fiber fabric air distributor, etc. It is a relatively new type among the current composite air ducts. It is mainly an end system for uniform air supply by fiber penetration and a special outlet method of nozzle jets. Its characteristic is that the air volume is relatively large and the product is relatively light. Basically, the roof load problem can be ignored. The system will not make a lot of noise during operation, which is very helpful to the improvement of the environment. In addition, the installation of this kind of air duct is also very helpful. Very convenient and flexible, it is a kind of composite air duct with high cost performance. The fiber used in the Jiutian fabric series fiber fabric air duct has flame retardancy. Compared with the fiber with flame retardant added in general post-treatment, its flame retardant effect is more stable and long-lasting. It can withstand repeated washing and/or dry cleaning and washing. Shrinkage, accurate and stable product size, excellent self-extinguishing property, only a small amount of low-toxic gas and smoke will be generated when exposed to fire; the product has good dimensional stability, the fiber is not easy to absorb water, and it is not easy to shrink and dries quickly after washing, without ironing Scalding, anti-insect, mildew, sun-resistant and anti-chemical agents. Accurate permeability, uniform and stable system, to achieve the expected results, breaking and tearing strength, basic guarantee for working under 2000pa high pressure. Fully meet the basic requirements of air duct performance such as high pressure resistance, low system resistance, and low inactive air leakage! Each composite air duct insulation material has its own characteristics, but also has some shortcomings. When installing the ventilation duct project, it is necessary to choose the most economical and suitable product according to the corporate environment.

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