Aluminum F Flange is one of the main part of the fabrication of the phenolic air duct,it played a great role in connecting panels.The function of the Aluminum F Flange is allowing fasteneing all parts with the fastening frames higher than 20mm to the duct..About the package,normally it will be cutted in 4 meter long,80 meter per bundle and be packed by plastic film.For Pre insulated phenolic duct used.
3.Specially for phenolic ductwork used.
We are here to help you! If you close the chatbox, you will automatically receive a responsefrom us via email. Please be sure to leave yourcontact details so that we can better assist