... proportion between layers and various lamination types high quality The multi-layer co-extrusion composite feedblock is applicable to combine various materials fed ... , A/B/C/B/A are allowed.Applicable materials: PP, PE, APET, PETG, PS, HIPS, ABS, PC, PMMA, PVC, EVA ... -plated. Use 12.9 high-strength bolts as fasteners.Multi-layer co-extrusion composite feedblock can output seven kinds of raw materials ...