... . High Precision, New Technology Product No./NameJJ-00010 / Aluminum baking tray used die casting proceed with teflon coating Manufacture Process1) Mould ... 5, Zamak 12; Aluminum 6061, 6063, 7075; (Plastic: ABS, PC, PS, PP, PVC, TPR, TPU, TPE, HDPE, PMMA) etc.5) Surface ... ...6) Tolerance: +/- 0.0005inch, also accord with GB6414 Aluminum baking tray used die casting proceed with teflon coating