best practices
MATERIALS: The Importance of Oxidative Stability in Polyolefins
Because oxidation is a process that causes materials to deteriorate over time, its effects or potential for those effects are not always apparent when new products are tested.
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Chasing the Perfect Pellet
Petoskey Plastics began recycling in 1978 and continues to expand its green footprint by offering pellets specifically for thin-gauge blown film.
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EXTRUSION: Orientation: The Good and the Bad
Depending on what you are trying to accomplish, molecular orientation can have a positive or negative impact on your part. Here’s how to control it.
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TOOLING: Let’s Get Serious About Mold Cooling: Part 2
Some creative thinking with conventional technology, like small cooling lines and bubblers, can generate big improvements in cooling and cycle times.
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INJECTION MOLDING: Purging: A to Z
Use these steps as a guide to minimize the time and money it takes to switch materials and color on your presses.
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Avoid Scale Buildup: The Silent Enemy of Cooling Performance
Obstructions in cooling can wreak havoc on molding. Here, a well-known supplier to molders that also molds recounts its experience and offers tips on how you can keep things flowing.
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Take a Systematic Approach to Keep Your Blenders Running Right
Increase uptime, productivity, and quality by putting together a comprehensive maintenance program to keep your blenders on target.
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TOOLING: Let’s Get Serious About Mold Cooling
Cooling is crucial to the molding process yet frequently overlooked. Here are some insights to consider.
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EXTRUSION: Better Mix In Means Better Mix Out
Segregation or de-mixing of polymers and additives can be a big problem in single-screw extrusion. Here’s why it happens, and how to fix it.
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INJECTION MOLDING: How Different Machine Types Handle Fill and Pack/Hold Times
The procedures are different between series and parallel machines. What type do you have? How can you tell? Here’s what you need to know.
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