Ultem Pei Sheet - Web the ultem™ resin family of amorphous thermoplastic polyetherimide (pei) materials offers outstanding. Ultem pei sheets and bars. Web ultem pei sheets and bars.
Web the ultem™ resin family of amorphous thermoplastic polyetherimide (pei) materials offers outstanding. Web ultem pei sheets and bars. Ultem pei sheets and bars.