Huahai is China biggest manufacturer of HVAC air duct panel / pre-insulated ducting panel in China, our factory is ISO 9001: 2008 certified, equiped with 7 continous production line to produce phenolic foam insulated air duct panel, polyurethane (pu) pre insulated air duct panel and polyisocyanurate(PIR) duct panel.

Phenolic foam insulated air duct panel coated with alu foil / alu foil or alu foil / painted steel or alu foil / GI

Specifications:

1) Density: 50 - 60kg/m3

2) Thermal conductivity: 0.02-0.025W/mK

3) Compressing strength: 0.25MPa

4) Bending strength: 1.0Mpa

5) Combustibility property: Non-combustible class "O" (BS part 6 and part 7), CLASS A (ASTM E 84)

6) Water absorption: 1.9%

7) Max. Smoke density: 2%

8) Dimension change: 0.3%

9) Working temperature: -260 ° C to 150° C

10) Dimensions: 3, 900 x 1, 200 x 20mm

11) max allowed wind velocity: ≤ 12 m/s

Polyurethane (pu) air duct panel coated with alu foil / alu foil or alu foil / painted steel or alu foil / GI

1) Density: 50 - 55kg/m3

2) Thermal conductivity: 0.02-0.025W/mK

3) Compressing strength: 0.2MPa

4) Bending strength: 1.0Mpa

5) Combustibility property: Class B1

6) Water absorption: 1.9%

7) Max. Smoke density: 2%

8) Dimension change: 0.3%

9) Working temperature: -100 ---+80 ° C

10) Dimensions: 3, 900 x 1, 200 x 20/25/30mm

11) max allowed wind velocity: ≤ 12 m/s