Ningbo Golma-Cool Ventilation Parts Co., Ltd.

Application:
Using high quality insulated flexible ducting is a very important part of your exhaust/ventilation system.  Our research shows that the ducting here meets very stringent compliances with most all government agencies and building code requirements. The product contributes minimal emissions to indoor environments. The Silent insulation ducting range has been developed to reduce cross talk and noise generated by inner duct small holes. you can choose use a film of Polyester covered to prevent the glassfibre to enter into the airstream
Construction;

The inner core is made of tough Aluminium foil encapsulate a steel wire helix.

Non-irritant impact fiberglass and irritant impact fiberglass are available

Recommended maximum operating pressures: 3000pa(MAX)

Vapor Barrier:This metalized vapor barrier is constructed using fiberglass scrim which provides an outstanding combination of strength and tear resistance.

Surface Burning Characteristics:

Flame Spread: Less than 25

Smoke Developed: Less than 50

Operating Temperature Range:

-20 Degrees Fahrenheit to 140 degrees Continuous

-20 Degrees Fahrenheit to 250 degrees Intermittent
 Advantages :

Supplied in standard 10 metre length, compressed to 1-1.2 metre. Diameter available from 3" ~48" ( 076mm ~ 1200mm). Individually boxed.