Pei is easily cut to size by scoring with a hobby knife.
Pei sheet on glass.
Made in the usa.
In filled grades the addition of glass fiber reinforcement coupled with ensinger s proprietary extrusion techniques provides users with a polyetherimide offering that has both greater tensile strength and rigidity while also improving dimensional stability.
The material has excellent dimensional stability due in part to its good creep resistance and low moisture absorption.
Been printing on it since its great to be fair though the bare mirror also prints quite well but it needs more cleaning i used windex to clean it and then wipe with ipa to get the windex residue off.
Unfilled pei thermoplastic is translucent and amber in color with exceptional mechanical thermal and electrical properties.
Laminate your sheet of pei using 3m 468mp 1 adhesive transfer tape to a glass mirror print bed keeping in mind that 3m 468mp is a very tacky tape that is prone to clumping.
Borosilicate glass abs and pla filaments along with many other materials print directly on to pei surface without the need for additional adhesives tapes or slurry.
Purchase a sheet of 0 03 0 04 0 75mm 1mm thick pei thinner can be used but it is more difficult to apply exactly flat to your surface.
The opaque natural pei sheet has a standard tolerance and meets american society for testing and materials astm d5205 pei0113 specifications.
Single 1mm thick sheet installs quickly on top of existing flat build platforms e g.