Products Finishing Putty with Great Adhesion Metal Glaze Ultra polyester finishing putty offers excellent sanding and spreading qualities. Advertisement ByBodyShop Business Staff Writers on March 5, 2013 Metal Glaze Ultra polyester finishing putty offers excellent sanding and spreading qualities. It contains ZNX-7, which provides superior adhesion to galvanized steel and aluminum, eliminating the risk of pulling back the featheredge.AdvertisementClick Here to Read MoreAdvertisement Advertisement In this article:Prep and Surface Products, refinish Click to comment Loading Post... Loading Post... Loading Post... Advertisement WEBINARS Watch a webinar for free on-demand! VIDEO Watch the latest BodyShop Business video. SUBSCRIBE Stay up to date with the latest BodyShop Business news.