49624 ⎘
Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor; Component parts, details or accessories; Auxiliary operations; Moulds; Sprue channels Runner channels or runner nozzles; Details not specific to hot or cold runner channels Part of the nozzle, bushing or runner in contact with the injected material being made from ceramic material