Exploring the: Purging Zone



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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
Control Oxidation of HDPE Parts
For blow molders of HDPE parts, this is an all-too familiar sight at start-up time on Monday morning: The machine is purging leftover material onto the floor.
Article Published: 10/1/2008
Chemical Purging: When and How to Do It Right
Extrusion blow molders are sometimes skeptical of chemical purging compounds (CPCs), and they have a point.
Article Published: 3/19/2007
NOVACHEM Launches Interactive Learning Game for Extrusion and Blow Molders
“NovaBlaster” Entertains And Educates Winners Eligible To Receive A Free Deluxe Baseball-Style Cap October 6, 2006 – (BRIDGEPORT, CT) NOVACHEM, manufacturer of SuperNova™ high performance chemical purging compounds, has recently released an intera...
Article Published: 3/8/2007

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