Aluminum flexible duct machines mainly produce flexible aluminum ducts by using aluminum strips and spiraling them with polyurethane glue. You can also use PVC or plastic film as the material, and the wire reinforcement is optional and can be used separately for the outer jacket duct and inner core.

Aluminum Flexible Duct Machine Features
Modifiable moulds are available in different sizes, from 60mm up to 600mm
For both the inner core duct as well as outer jacket duct, wire reinforcement is possible
You can use double-layer aluminum foil, metalized pet films, or PVC tape.

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