Air Ducting

[electronext]

Can anyone help me to differentiate in terms of properties of these two (2) materials usually used in air ducting. im surfing the net but i cant find any substantial information.
im hoping you guys can help me.

Polyurethane vs the common GI Sheets Air Duct.

Thanks,

JK

 

[patprimmer]

This sounds like an assignment question. Are you a student.

Regards
Pat
See FAQ731-376 for tips on use of eng-tips by professional engineers &

http://eng-tips.com/market.cfm

for site rules