15HE21 High Anti-corrosion Series

The insulation layer with a density of 52 ± 2Kg/m ‘adopts environmentally friendly water-based expansion technology, with a thickness of 20.5mm and an error of ± 0.5mm. One side is made of embossed aluminum foil, and the other side is made of embossed aluminum foil with a special anti-corrosion coating.

Product Parameters

Board thickness: 20mm

Thermal conductivity: 0.0194-0.025W/m · k

External aluminum foil: Anti corrosion polyurethane fiber paint protective coating with a thickness of 80um and 13um

Internal aluminum foil: Anti corrosion polyurethane fiber paint protective coating with a thickness of 80um and 13um

Thermal insulation material: Water foaming technology, without using CFC/HCFC/HFC/HC modified polyurethane

Material density: 50-54kg/m ³

Environmental performance: ODP (ozone depletion value)=0, GWP (global warming value)=0

Product Details

Outstanding Airtightness

Dedicated flange system, eliminates longitudinal leakage, and reduces leakage at transmission connection points.
Special adhesive reacts with the insulation layer, fusing them into a single unit.
ts airtight performance is eight times better than that of conventional air ducts

Durability: Two Connection Styles Over 5 Years

Dedicated flange system, eliminates longitudinal leakage, and reduces leakage at transmission connection points.
Special adhesive reacts with the insulation layer, fusing them into a single unit.
ts airtight performance is eight times better than that of conventional air ducts

Main Parameters

Qualification	ISO9001,ISO14001,ISO50001,ISO45001 Certified
Density of insulating material	48±2kg/m²,52±2kg/m²,60±2kg/m²,Unit Weight 1.3kg/m,1.5kg/m,1.16 kg/m²
Insulation Material	Non-toxic water-based foaming patented technology,compliant with TB/T 3139 standards,and a member of the European EPD(Environmental Product Declaration) system.
Thermal Insulation	With a thermal conductivity of o.0194-0.025W/m.K(at 10°℃),outperforming rubber by 30%and glass woolby 40%.
smoke toxicity	Tested to the World’s Strictest British Naval Engineering Standard(NES713), producing smoke that is harmless to humans during combustion
Connection	Built-in Flange Connection:Directly bonded,with the special adhesive reacting with the insulation layer to form an integrated system.
Optimal Temperature Range	-40℃—+80℃
Wind pressure resistance	Can withstand±2000 Pa wind pressure;the Huaao duct shows minimal leakage at±2000 Pa.
Manufacturing Process	Direct Continuous Foaming on Aluminum Foil in a Single-Step Molding Process,Patent No:EP115771B1
Moisture-proof performance	Water Absorption≤2.6%:Excellent water resistance,suitable for outdoor use.
Cleanliness performance	The surface coating not only provides acid-and alkali-resistance,corrosion protection,and UV resistance,but also prevents dust adhesion,ensuring that dust does not easily settle inside the duct.
Sound Insulation Performance	Excellent Sound Insulation,Minimum airborne sound insulation of 21 dB.
Flexibility /Strength	Directly Bendable:Suitable for various curved duct constructions,with bending strength of 1290 kPaand compressive strength of 205kPa.
Overall System Resistance	More Energy-Efficient:Less friction than traditional metal ducts
Installation	Safe and Efficient:Insulated ducts in one,with construction time 1/2 far shorter than traditional ducts.
Service Life	Designed for a service life of over 50 years,with real-world projects lasting nearly 40 years
Appearance	Elegant Finish,Allows for direct printing on the surface.
Cleaning &Maintenance	Extremely Convenient &Easy