OEM & ODM services for all kinds of HVAC duct, PU FOAM and aerosol products


SHANGHAI HAOHAI CHEMICAL CO.,LTD actively absorb the advanced manufacturing technology and production technology of excellent domestic and foreign companies, and successfully develop PU PIR HVAC Insulation Duct Panel Fireproof Phenolic Aluminium Foam Board using new technology and new technology. PU Panel/PU Duct Board Influenced by the market trends and customers' requirements, the design of chemical building material is made to be unique. It adopts the raw materials that have been tested to conform to the quality standards, which guarantees its quality from the source.

Warranty:More than 5 yearsAfter-sale Service:Online technical support, Return and Replacement
Project Solution Capability:total solution for projectsApplication:Office Building
Design Style:ModernPlace of Origin:China
Brand Name:HaohaiCertification:CE


Light, safe, decrease the load of the building.

Easy to install, shorten the construction period.

Protect environment, sandwich structure with antioxidant surfaces.

High performance in heat insulating, can be served in both high and low temperature environment.

Fireproof, meet the National standard, makes building safe.

Soundproof, makes a quieter environment.

No need to leave space for insulation material installing, so that the story height can be reduced.

Long service life up to 20 years, very low cost in wastage and maintenance.

Nice appearance.

PU PIR HVAC Insulation Duct Panel Fireproof Phenolic Aluminium Foam Board

Haohai duct system including                                                                                                   

Haohai duct panels

Accessories for Haohai duct

Training and service for duct installation

Datasheet of tech & safety for duct installation

Undertake projects of duct installation

Product Data Sheet                                                                                                                        

Smoke temperature
Flame height  15mm
Thickness of panel  20mm
Density  40~69kg/m3
Compressive strength,10%  0.2MPa
Dimension stability  0.5%
Thermal conductivity  0.021w/m.k
Working temperature  -50 to +80°C

Comparison between Haohai duct and other ducts                                                  

Haohai duct
Zincification duct
Fiberglass duct
poor general general
8.32 8.8 1.1~1.3
Flame Retardancy
  Phenolic   A class
      PU      B1 class
A class A class ------
Service life
15~20 years
6~7 years 10~15 years 15~20 years
Yes Yes
A little






Easy to install, nice appearance, high efficiency Complex install, low efficiency Complex install, low efficiency Easy to install, nice appearance, high efficiency
Maintenance Low High High Low

Haohai duct satisfies the following standards:                                                                   

•  GB50243-2002

     Acceptance standard for construction quality of HVAC works.

•  GB50045-95

     Criterion of fireproof design of civil tall buildings.


Inspected by the National Construction Material Test center,

Haohai duct passed the formaldehyde volatilization test, could be applied indoor directly.

Approved by the National Quality Test Center and China Construction Material Association,

    Haohai duct is a stable qualify, safe and environment protective product.

Inspected by Shanghai quality monitor inspection spot, if s innocuous and a safe product.

There is no Freon in Haohai duct, and won, t destroy aerosphere.

As a result of low water absorbability of Haohai duct, it won5 t bring germ in the duct.

Installation Accessories                                                                                                              

Various flanges,H bayonet, Hooked hanger bracket, Aluminum shaped disk, Covering angle, G.I.

Square, etc.

PU PIR HVAC Insulation Duct Panel Fireproof Phenolic Aluminium Foam Board


PU PIR HVAC Insulation Duct Panel Fireproof Phenolic Aluminium Foam Board

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


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

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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