Exploring the: Purging Zone

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Published: 2/1/2007

Novel Two-Stage Approach Makes Purging Hot Runners a Breeze
Two new and unusual compounds have been developed to ease the challenge of purging injection molding hot-runner systems.

Published: 1/1/2007

Stop Black Specks!
Black specks in film or sheet–especially in light-colored or clear plastics–lead to scrap, unscheduled shutdowns, and dissatisfied customers.

Published: 7/1/2006

NPE 2006 News Wrap-Up: Chemicals and Additives
There were new additives for every need at NPE 2006: Make your plastics prettier with new colorants. Make them stronger with new fillers and reinforcements. Make them lighter with foaming agents. Or just make them go away with improved purging agent...

Published: 6/1/2006

What to See at NPE 2006: Chemicals and Additives
Compounders, molders, and extruders will be treated to a wide range of new additives at NPE 2006.

Published: 5/1/2006

NPE 2006 News Flash
Injection MoldingSimplified Hot Runners Save Time & CostA new lower-cost hot-runner alternative to valve gating is suited to less critical cosmetic applications where users need predictable and reliable gate opening but not sequential gate opera...

Published: 1/1/2006

Four Ways to Fight Sky-High Resin Prices
There are lots of ways to economize on resin costs, but here are four that you may have overlooked: negotiating smarter resin contracts, buying “futures,” using recycled resins, and more efficient purging aids. The main idea is to give yourself more...

Published: 11/1/2005

Eliminate Blemishes on Cosmetic Parts
Black specks, streaks, or poor color mixing are the most common problems that mar the appearance of cosmetic injection molded parts.

Published: 2/1/2005

K 2004 Wrap-Up on Materials: Setting New Benchmarks for Processability and Performance
 Higher flow, higher heat, higher barrier, higher clarity, higher stiffness, lower durometer, lower smoke, lower odor—materials exhibits at the recent K 2004 show in Dusseldorf were stretching the bounds of processing and performance prop...