Construction:

• Single layer aluminum flexible duct (AFD-S)

1. 1 layer of the aluminium laminated with the polyester with the coil made of the spring wire.
2. Total 2 layers: 1st layer: Aluminum foil ( 10um);  2nd layer: Polyester(15um)
3. Spring wire: carbon steel from 0.9~1.3mm

•  Multi layer aluminum flexible duct (AFD-D)

1. 2 layers of the aluminium laminated with the polyester with the coil made of the spring wire.
2. Total 3 layers: 1st layer: Aluminum foil ( 10um); 2nd layer: Polyester(15um); 3rd layer: Aluminum foil ( 10um)
3. spring wire: carbon steel from 0.9~1.3mm

Description:

• Duct is built of the aluminium laminated with the polyester. It was designed especially for the needs of the ventilation and air conditioning market.
• It has the advantage of no need to use special tools for cutting or fixing, it does not emit toxic gases in high temperatures. it is fire resistance.

Technical specification:

Size: