Product description:
The inner of the product is soft hose. It's outside is wrapped by glass wool blanket of 25mm thick and 24kg/cubic meter. The damp-proof outside package is composited by the aluminum foil and glass fiber cloth. It is mainly suitable for central air-conditioning and ventilation system.

The product has good capacities of flame resistance, stress tolerance and insulation, and is very flexible and easy for users to install.

Technical parameters:
Size range(diameter): 52-610mm; Temperature range: -30 degree-- +140 degree; Celsius Density: 20-30kg/m3; Maximum air velocity: 30m/s; Maximum working pressure: 2500pa; Derivative coefficient: 0.034W/mk.