PEI sheet, double sided, available in smooth or textured. Made from hardened 301 spring steel.
There are some cosmetic flaws on this batch - the logos are misprinted on some plates, and the textured PEI is inconsistent towards the edges/corners in some cases.
Magnetic sheet maximum temperature: 130℃
PEI Plate maximum temperature: 150℃
Magnetic sheet has 300LSE adhesive.
Feedback welcome on this new product.