PT ZONE: Drying

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MOST RECENT CONTENT: Drying

Bozzelli’s Dozen Drying Tips

There’s a lot to know about drying—enough to fill a book, at least. But for now, here are a dozen details you need to know, from seasoned injection molding consultant and Scientific Molding trainer John Bozzelli. Scroll down and take his quiz.

Raise the Bar on Drying: Savvy Processors Reveal Best Practices

The processors speak: Here’s how some smart molders and extruders tackle the vexing problem of resin drying.

Bozzelli’s Guide To Specifying A Dryer

Here's a list of 17 things to do when looking for new drying equipment.

Why (and What) You Need to Dry

Other than polyolefins, almost every other polymer exhibits some level of polarity and therefore can absorb a certain amount of moisture from the atmosphere. Here’s a look at some of these materials, and what needs to be done to dry them.

Time to Shed Some Light on Drying

Learn from the experts, including savvy processors, on how to get drying done right.

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OVERVIEW:
Drying

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Dryers are used to minimize or eliminate problems that moisture in the plastics cause during processing. If moisture-sensitive polymers like nylon, polycarbonate, PBT, PET and a host of others are not dried prior to processing, the physical properties of that resin/part will be drastically affected. There are various types of drying technologies available, including dual bed desiccant, desiccant wheel, vacuum, oven and infrared. Dryer selection may be dictated by the throughput requirement of the process, as well as price and other features desired.


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Novatec shares their knowledge of dryers and drying techniques.

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