Phenolic Air Duct Panel: An Overview
Phenolic air duct panel is a lightweight, high-performance thermal insulation material widely used in central air-conditioning ventilation systems. Its core characteristics include fire resistance, low thermal conductivity, and a lightweight design. Its typical structure is a three-layer composite of aluminum foil/phenolic foam/aluminum foil, with the aluminum foil thickness usually ranging from 40 to 80 microns. The density range of the core material is 35-70 kg/m³, and the common specification is 60 kg/m³.
Phenolic Air Duct Panel Parameter Description
| Parameter | Specification |
|---|---|
| Foam Density | 40-60kg/m³ |
| Thickness | 20/25mm others |
| Thermal Conductivity | 0.02-0.03W/m·K |
| Fire Resistance(ASTM E84) | A |
| Smoke Toxicity | Non-toxic |
| Maximum Running Temperature | 120℃ |
| Maximum Wind Velocity | 13-20m/s |
| Compressive Strength | 0.25MPa |
| Water Absorption | 0.25% |
| Dimension Change | 0.3% |
Outstanding Performance Advantages of Phenolic Air Duct Panel
Phenolic air duct panels feature "all-in-one" performance that is well-suited to HVAC requirements, with core advantages as follows:
| Performance Category | Core Advantages | Engineering Value |
|---|---|---|
| Thermal Insulation | Thermal conductivity: 0.02 W/(m·K) (far lower than 50 W/(m·K) of steel plates), no additional insulation layer required | Saves 15%-30% energy consumption, prevents condensation-induced building damage |
| Fire Resistance | Complies with China/US Class A non-combustible standards (GB 8624-2012, ), no toxic gases released at high temperatures | Improves fire safety level, reduces fire casualty risks in crowded places (malls/hospitals, etc.) |
| Sound Insulation & Noise Reduction | Porous structure absorbs noise, high density reduces cross-room noise transmission | Enhances acoustic comfort in offices/hotels, reduces noise by 5-10 dB compared to steel duct panels |
| Lightweight & Easy Installation | Density: 40-60 kg/m³ (1/30 of steel plates), no welding/heavy equipment needed, simple installation | Installation speed 2-3 times faster, cuts costs, reduces building load (suitable for old building renovation) |
| Corrosion & Moisture Resistance | Surface resists erosion, no rust/mildew (superior to steel/glass fiber) | Service life: 15-20 years (5-10 years longer than steel plates), lowers maintenance costs |
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