Dryers are used to minimize or eliminate problems that moisture in the plastics cause during processing. Includes resin drying; hygroscopic resins; desiccant dryer; wheel dryer; vacuum dryer; drying PET; drying PC; drying ABS; drying nylon.


New Technology Enables ‘Smart Drying’ Based on Resin Moisture

The ‘DryerGenie’ marries drying technology and input moisture measurement with a goal to putting an end to drying based on time.

Drying: Essential Reading

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.

Follow These Seven Management Tips for More Consistent Resin Drying

Equipment and advice sure help, but ultimately, good management makes the difference.

Spring Tips for Dryer Maintenance

The warm, humid weather really puts a strain on both the regeneration and process, so it is important that everything is in perfect working order. The time to check is now.

Use a DOE to Improve Consistency of Your Resin-Drying Process

Conducting a drying design of experiments (DOE) will ensure your polymer is properly dried every time. Here’s how to do it.  


FAQ: Drying

How to dry resins?

Proper drying requires attention to detail in the following areas: temperature and moisture content (dew point) of the inlet air, volumetric flow rate of the air across the pellets, time the material is in the drying hopper, and temperature of the return air coming back from the hopper to the drying unit. There are other areas of concern related to the design and maintenance of the system. This also assumes that a desiccant dryer is being used. 

How can I achieve more consistent resin drying?


  1. Control Initial Moisture Levels in Undried Resin 

  1. Size Dryers Properly 

  1. Dry at Correct Temperature 

  1. Keep Drying Hoppers Full 

  1. Limit Machine-Side Material Inventory 

  1. Keep Airflow Clean and Consistent 

  1. Invest in a Moisture Analyzer 



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