Knobs and dials which have a plastic exterior about a steel inside are examples of insert molding. The substrate is inserted in to the mould, then plastic is injected onto it. Typically this process takes advantage of thermoplastic resin since the overmolding product. Compression molding includes inserting a heated plastic https://madbookmarks.com/story18152435/how-injection-molding-manufacturer-can-save-you-time-stress-and-money