Product Change Notification: ThermoThin Insulation

February 22, 2022


Dear Valued Customer,


The Alpha Wire portfolio requires regular review to ensure our products continue to offer the most updated features and benefits, in addition to the highest quality. This letter serves as your formal notification that Alpha Wire is changing the insulation material for Alpha Wire’s ThermoThin Wire product line to Fluoroplastic. This change has NO effect on the Physical, Mechanical, or Electrical Properties of the product.


The change includes:

  • Adding UL AWM/STYLE 11540 (for wires 30 AWG and larger) to the product. Product will either be UL AWM/STYLE 11905 or UL AWM/STYLE 11540. Spools will be labeled with the applicable AWM Style.
  • Insulation material changing from PFA to Fluoroplastic.


A detailed list of all affected part numbers can be found by downloading the full product change notification (PDF).


If you have any questions or require assistance selecting alternative products, please contact your Alpha Wire sales representative or channel partner. Updated product specifications sheets are available to download from the product listings on



Omar Qayyum
Product Manager
Alpha Wire



Click here to download the full product change notification (PDF).