Pre-insulated Phenolic Foam Duct Panel
It is a high-performance ventilation duct product, which is widely used in HVAC systems. The following is a detailed introduction:
Basic Structure: It is a sandwich structured panel. The core is polyisocyanurate (PIR) foam, which is a closed-cell insulating material. The two outer layers are aluminum sheets or aluminum foils.
Panel Structure: Silver Alu. Foil/ Phenolic Foam/ Silver Alu. Foil
Foam Density: 50-55kg/CBM
Panel Dimension: 3950mm*1200mm*20mm or 2900*1200*20mm
Alu. Foil: 60 or 80 Micron (Embossed)
Fire Rating: Class 0 (BS476Part 6&7) or Class A (ASTM E84)

The packing and container loading of Pre-insulated Phenolic Foam Duct Panel
PIR Phenolic Pre-insulated (PI) Duct Sheets:
Regular Size: 3950*1200*20mm/ 2900*1200*20mm
PIR Foam Density: 50-55kg/m3,
Weight: about 1.4kg/m2
Packing: 10 sheets/ paper carton
Container Loading:
40'HQ Container: 3950/2900*1200*20mm, 10 sheets packed in one carton, total 660sheets (3950mm) / 880sheets(2900mm).
20'GP Container: 2900*1200*20mm, 10 sheets packed in one carton, total 400sheets.

certification of Pre-insulated Phenolic Foam Duct Panel
Fire Safety, Thermal Conductivity and Physical Performance

BS 476 Part 6&7

ASNZS 1530.3

thermal Conductivity

Compress Strength

CFC HCFC Free
Advantages and Characteristics of Pre-insulated Phenolic Foam Duct Panel
Why Choose Us?
Superior Thermal Insulation
Low thermal conductivity (≤0.025 W/(m·K)) minimizes heat loss/gain, reducing HVAC energy consumption effectively.
Excellent Fire Resistance
Self-extinguishing (meets GB 8624 Class A fire standard), low smoke emission, and non-toxic fumes, enhancing building fire safety.
Strong Moisture Resistance
Closed-cell structure prevents water absorption (water absorption rate ≤3% by volume), avoiding condensation and mold growth.
Lightweight & Easy Handling
Low density (40-60 kg/m³) reduces structural load; easy to cut and process, saving transportation and installation costs.
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