The PEI sheets used on Lulzbot printer beds are very nice to work with, but can acquire damage over time from prying tools. This is a factory-original replacement.
Polyetherimide work surfaces are apparently the thang. Sticks well, pretty tough, just a bit expensive. Considering how much polyimide tape and hairspray you may buy to assure good prints, this is a pretty good deal!
This PEI sheet is a direct replacement for the PEI (Polyetherimide) print surface on the LulzBot TAZ desktop 3D printer. This revolutionary new print surface has been tested by the advanced members of the LulzBot community and has proved to be an easier and more reliable 3D printing surface.
When cleaned and heated to the recommended temperatures, your print sticks well, the first time and releases from the heated bed once cooled. This LulzBot TAZ PEI sheet has a functional dimension of 300 mm by 300 mm, with additional material in width and length to allow users to trim to fit their product. This will also allow for a perfectly aligned and finished edge.