These molds are very rigid, as the ceramic-like noise when ... such as opening up the injection gate (to decrease pressure inside the mold), adding air vents to improve flow and so on.

KYOCERA Showcases Ceramic Lab Analytic Tech for Multilayer Direct Bonding, Ceramic Additive Manufacturing, & Sapphire ...

but to facilitate flow in the injection molding process, the powder must be suspended in a binder system that consists of wax, polymer or a combination of the two. Post processing is used to remove ...