Inquiry (采购产品): Fan Material What is the advantage of a fan made of metal versus one made of plastic (polypropyleen, polyamide)? Is the higher stiffness and high strength to weight ratio of any advantage in regard to air flow movement at a given fan speed? Just curious! Thanks! **** Hidden Message ***** Kevin Armanie 200 Upper Mountain Road Lockport , NY 14094 USA Company: Delphi Phone: 716-439-3669 E-mail: kevin.p.armanie@delphi.com **** Hidden Message ***** kevin.p.armanie@delphi.com