Over time, people have Ventilation duct The requirements for cleanliness and saving of equipment and data are also gradually improved; With the progress of technology, people have made corresponding progress in the quality requirements of HVAC projects. The existing stainless steel air ducts and spiral round air ducts are widely used, satisfying the functional requirements of ventilation, air conditioning and dust removal transportation.

The common air duct boards of ventilation ducts in the plant are aluminum foil composite phenolic foam board, aluminum foil composite polyurethane foam board, aluminum foil composite extruded polystyrene foam board, etc. This type of air duct is ambitious in application function, with small thermal conductivity, light weight, easy construction, clean, etc. It has been used in many public and civil buildings, including high-rise buildings.

The manufacturing and processing of ventilation ducts, especially for some small enterprises and handicraft workshops, will not last long. Because I firmly believe that the development of an enterprise is inseparable from its corporate culture and brand strategy.

Shenyang ventilation pipeline The ratio of magnesium chloride and magnesium oxide of poor durability has scientific basis, which is to confirm the amount of magnesium chloride according to the determination of active magnesium content of magnesium oxide. However, the manufacturer of unqualified products does not know the determination of active magnesium content of magnesium oxide, let alone the reasonable value of molar ratio. Only magnesium oxide plus brine is known to form air duct after solidification. The residual chloride ion content of the air duct is large, and it is easy to return halogen in humid air environment, with low softening coefficient and short service life.

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