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HVAC PRE-INSULATED DUCT
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Properties

Haohai polyurethane pre-Insulated duct is a kind of sandwich structure duct that is made of fireproof polyurethane foam and aluminum foil composited by continuous pressure process. It has high performance in heat insulation. The polyurethane in the duct is a kind of closed cell foam with a low thermal conductivity. This makes Haohai ducts have a high performance in heat Insulation to save energy.


Haohai polyurethane pre-insulated duct has a much longer service life than other materials. It has a 20 year service life while traditional Zincification duct has only no more than 10 years. Besides, Haohai duct is very light so that can be easily moved and installed. It has a lower requirement of load capacity for the building.


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Take advantage of our unrivaled knowledge and experience, we offer you the best customization service.

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In PU foam (OCF) industry, Haohai is one of the leading PU foam manufacturers in China.

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They are all manufactured according to the strictest international standards. Our products have received favor from both domestic and foreign markets.
They are now widely exporting to 200 countries.
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