Kato polyclay instructions

Glass - Fusing. Kato Polyclay. Metal Clay. Polymer clay Kato Polyclay 354 gr White (n°509). Kato Polyclay, oven hardening polymer clay, bakes at 300 F (150 C). However, it can also be cured at 275 F (135 C) with good results and has been approved to cure at 350 F by our toxicologist, however