Name: PID PU Panel Duct Suppliers and Manufacturers - China Factory - UNT Duct
Brand: UNTDuct
SKU: 305807934

Thanks to its excellent products and quality services, UNT Duct is one of the leading pid pu panel duct manufacturers and suppliers in China. Welcome to buy the high quality and customized products from our factory. We will offer you the best service and fast delivery.

PID PU Panel Duct

Built around high-performance PU foam core, our PID PU Panel Duct are lightweight composite materials. Combining superior thermal insulation, robust mechanical strength and official fire-rated performance in a single structure, they are a versatile choice for all HVAC construction applications.

Thanks to its modular and all-in-one design, this duct solution reduces overall energy consumption, greatly boosts on-site installation efficiency, and keeps ventilation running stably for years to come.

Structure: Silver Aluminum/ PU Foam/ Silver Aluminum
Size: 3950*1200*20mm
Foam Density: 40-45kg/m3
Aluminum Thickness: 0.06mm or 0.08mm
Aluminum Color: Silver
Packing: 10 sheets/ package
Loading Capacity: 710 sheets/ 40'HQ (packed with plastic bags)
660 sheets/ 40'HQ (packed with cardboard box)

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Waterproof, Anti-Condensation & Anti-Corrosion of PID PU Panel Duct

UNT PID PU Panel Duct has excellent waterproof, anti-condensation and anti-corrosion properties.

Closed-cell structure with water absorption rate <1% by volume, excellent moisture barrier.

No condensation dripping on duct outer surfaces even in high-humidity environments (shopping malls, swimming pools, coastal buildings).

Aluminum foil surface resists rust, acid and alkali corrosion; no decay or rot like wooden or porous insulation materials.

Prevents mold, mildew and bacterial breeding inside ductwork.

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Production and Installation of PID PU Panel Duct

PID PU Panel Duct is manufactured using two mainstream processes: in-plant continuous foaming and field spray foaming.

Factory-fabricated panels achieve uniform density and high dimensional accuracy, satisfying the specifications for standardized mass production and unified construction norms.

Field spray foaming technology is developed for non-standard duct systems and complex architectural structures. The sprayed PIR foam achieves full surface lamination without insulation voids. This core performance advantage is unmatched by other insulation materials.

From an installation perspective, the material offers favorable processability. Its flexible properties facilitate simple cutting and fabrication, removing the reliance on large specialized equipment. The entire installation procedure can be carried out by a single operator.

Moreover, the panel possesses strong interfacial adhesion. It creates stable connections with color steel plates, steel sheets, cement mortar and other substrates, and maintains excellent anti-peeling and anti-separation performance during operation.

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Why choose UNTDuct

UNT Pre-insulated Ductwork

What is UNT Duct System

UNT Duct System

PRE-INSULATED DUCT vs G.I. DUCTWORK

Metric	20mm PU Pre - Insulated Duct (with 0.08mm Alu. Foil, )	0.5mm G.I Duct + 30mm Rubber Plastic (40-90kg/m³)
Fire Safety	Compliant (Class 0/BS 476, AS 1530.3). Self-extinguishing PU core, low toxic smoke, non-combustible alu foil.	G.I non-combustible; rubber plastic fire-retardant but requires coating to meet strict codes.G.I
Thermal Insulation	Excellent. λ=0.020 W/m·K, no thermal bridging. 20mm integrated structure ensures consistent insulation.	Fair. λ=0.035 W/m·K, thermal bridging at G.I joints. 30mm insulation offset by metal conductivity.
Hygiene & Air Quality	Superior. Non-porous alu foil, smooth inner surface, moisture-resistant PU. Meets cleanroom/hospital standards.	Poor. Porous rubber plastic traps dust/mold; G.I-insulation gaps breed pathogens.
Lightweight	1.4-1.5 kg/m². Ultra-light, reduces structural load; ideal for retrofits/timber-framed buildings.	5.1–6.3 kg/m². Heavy G.I base + bulk insulation; requires reinforced supports.
Energy Efficiency	Excellent. 20–30% lower HVAC energy consumption. Minimizes heat gain/loss in conditioned air.	Low. 20–30% higher energy loss due to inferior insulation and thermal bridging.
Ease of Construction	Easy. Factory-prefabricated tongue-and-groove joints. No separate insulation step; 40–60% less labor time.	Complex. Two-step on-site process: G.I duct fabrication + rubber plastic wrapping. Labor-intensive, prone to gaps.
Quiet Operation	Good. PU core absorbs 10–15 dB airflow noise; alu foil dampens vibration.	Fair. Rubber plastic provides basic sound reduction, but G.I vibration and insulation gaps reduce efficiency.
Space Savings	Excellent. 20mm total thickness (all-in-one). Fits tight ceilings/retrofit cavities.	Poor. 30.5mm total thickness (0.5mm G.I + 30mm insulation). Bulky, requires larger installation space.
Environmental Friendliness	Balanced. CFC/HCFC-free PU, recyclable alu foil. 20–30-year lifespan; net carbon positive in 1–3 years.	Low. Rubber plastic non-recyclable; 10–15-year lifespan. Frequent replacement increases waste; higher energy emissions.
Air Leakage	Superior. ≤2% air leakage (EN 1507, AS/NZS 3660.1). Airtight factory joints + alu foil vapor barrier.	Poor. 5–10% air leakage. On-site sealing gaps; separate vapor barrier required.

Performance comparison based on UNT Duct product data and standard system configurations. Actual performance may vary depending on system design, installation method and project conditions.

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