Discussion
Ceramic injection moulding requires a much higher binder content than pressing because the feedstock must
Answer: B
Correct answer: flow like a thermoplastic into the mould
Injection moulding fills a closed mould under pressure, which requires the feedstock to behave as a molten polymer - and that takes 30 to 50 per cent binder by volume against a few per cent for pressing. Removing that binder afterwards is the process’s central difficulty.
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