Exploring the: Purging Zone



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Tips and Techniques: Break the Taboo On Purging Hot Runners!
It’s safe to say that the concept of using a commercial purging compound (CPC) has largely been embraced by the plastics processing community.
Article Published: 1/4/2011
Boosting Extrusion Productivity-Part II of III: Optimize Product Changeover & Purging
Extrusion processors typically run a number of different products and resins.
Article Published: 12/21/2010
Tips and Techniques: Compounding 10 Ways to Improve Twin-Screw Compounding Performance
There are many techniques known to operators and plant engineers for increasing the performance of a twin-screw compounding extruder.
Article Published: 12/13/2010
Prevent Streaks & Specks From Vented Extruders
With vented extrusion, small amounts of melt can hang up on the screw and degrade, eventually resulting in streaks or specks that hurt the appearance of the extruded product.
Article Published: 6/1/2010
Correction on Purging
In our September issue, we incorrectly stated (p. 17) that Asaclean U high-performance purging agent is not suitable for polypropylene.
Article Published: 10/21/2009
Purging Compound
Claude Bamberger Molding Compounds Corp. pioneered the use of purging compounds in 1953.
Article Published: 8/20/2009
How to Clean Screws Nondestructively
Maintenance departments often clean screws wrongly, causing serious and expensive damage.
Article Published: 7/1/2009
NPE 2009 News Flash
Injection MoldingHybrid Press Has Electric ClampNew injection presses that combine servo-electric and hydraulic movements to achieve high performance with energy efficiency will be discussed by Arburg Inc., Newington, Conn.
Article Published: 5/1/2009
Better Purging Saves Money, Material and Time
How much money can a better purging compound save even a small molder?
Article Published: 4/1/2009
Injection Molding Biopolymers: How to Process Renewable Resins
U.S. injection molders are still pretty green when it comes to processing the new crop of renewably sourced biopolymers. These biologically derived polymers made from PLA, PHA and starch-based resins are attracting growing market interest as materia...
Article Published: 4/1/2009

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