... air tightness Product No./NameJJ-00068 / Aluminum precision die casting part for auto and motor accessories Manufacture Process1) Mould/Tooling analysis, design ... , Zamak 4, Zamak 5, Zamak 12; Aluminum 6061, 6063, 7075; (Plastic: ABS, PC, PS, PP, PVC, TPR, TPU, TPE, HDPE, PMMA ... : +/- 0.0005inch, also accord with GB6414 Aluminum precision die casting part for auto and motor accessories