
	Maplan
	Homogenizer Screws
	Variable Clearance barrier screws
	Farrel Corp
	Westland Corp
	Energy Transfer Screw
	Spiral R Screw
	Spirex Pulsar Line
	T Melt screw
	Barrier Screw

Barrier Screw

	Cincinnati Milacron's Melstar combines barrier screw and low shear mixing head.