Magnetics Business & Technology - July/August 2019 - 11

FEATURE ARTICLE
Processing Advantages
ELAN-Film HT-180 insulation is commercially competitive
and offers overall cost saving opportunities for the customers due to improved storage, handling, and processing
conditions. Due to its low moisture absorption, the need
for preheating components and the extra care needed in
processing, drying, packaging, and handling is eliminated.
It has no restriction on material orientation during slitting
and cutting operations, resulting in less waste and improved yields during component fabrication.

fabrication leading to less down-time for cleaning.
Acknowledgments
The authors would like to thank Novak Cvijanovic and Tan
Nguyen of Elantas PDG for the materials preparation and
testing. Parts of this article were adapted from a presentation at the 2018 Electrical Insulation Conference, San Antonio, TX, 17-20 June 2018. For more information, please
visit www.altana.com/divisions/elantas.html.
About the Authors
Dr. Thomas Murray is Director of Research and Development. Stephen Tuckwell is Vice President and Business
Line Manager. Marc Barmeier is Business Development
Manager - Emerging Technologies. All with Elantas PDG,
Inc. in St. Louis, MO, a division of the Altana Group based
in Wesel, Germany.

Final assembly

Due to its abrasion resistance, the down-times and cleaning efforts (e.g. no dusting or chalking during die cutting,
slitting, creasing, and folding) are significantly reduced. It
was also laser cut without char formation like aramide fiber
paper and was fabricated with ultrasonic welding. The mechanical properties combined with the excellent dielectric
strength allow customers an option to decrease the thickness of the insulation, enhancing apparatus designs while
further increasing cost advantages. Further, customers
have increased winding speeds due to excellent tear and
tensile properties eliminating challenges with tearing and
pinholing.
Summary
ELAN-Film HT-180 insulation is a unique, new flexible
electrical insulating product that offers significant performance and productivity gains for end users. It is a composite of PET film coated on each side with a 13 micron
layer of polyamideimide. The film combines a material
from a well-known electrical application (magnet wire)
with the ease of processing with PET.
Improvements in electrical, physical, mechanical, and
processing properties give ELAN-Film HT-180 insulation
significant advantages in the field. The paper products, including aramide fiber-based papers, easily absorb water
in the paper voids, which leads to low dielectric strength
and other issues. Film based materials are continuous
castings without voids. Processing advantages include no
restriction on orientation and no chalking or dusting during

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July/August 2019 * Magnetics Business & Technology

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