What’s the Difference Between a Gravimetric Feeder & a Volumetric Feeder?

Feeders are auxiliary equipment used for in-line additive dosing and are often used with an injection molder or extruder. There are two main types of feeders: gravimetric and volumetric. The choice between a gravimetric feeder and a volumetric feeder is a critical decision that profoundly influences the outcome of the plastic manufacturing process. Both play indispensable roles, yet they differ significantly in their operational principles and applications. Continue reading “What’s the Difference Between a Gravimetric Feeder & a Volumetric Feeder?”