Polyonics - Innovative label and tape materials for Harsh Environments 

HIGHdegree ML-3730 Labels - 662 °F (350 °C) Labels for Metal Manufacturing Factories and Foundries

Specially engineered ML-3730 labels go to 662 °F (350 °C) to stand up to the punishing demands of metal manufacturing factories and foundries.

Get To Know The ML-3730 Label

Polyonics new 1 mil aluminum coated label is ideal for high temperature applications with rough surfaces or for labeling irregularly shaped products. The thin material is extremely flexible and easily adheres to a variety of challenging surfaces.

  • High temperature pressure sensitive adhesive creating a strong bond to hot metals up to 662 °F (350 °C)
  • Tracking and identifying coils, springs, pipes, etc


Reliability. To the extreme.

The Polyonics HIGHdegree portfolio of label and tag materials thrives on the extreme temperature ranges encountered throughout the metal manufacturing process so you can accurately control inventory.


  FILM: 1 mil Aluminum     FINISH: White     ADHESIVE: 1 mil Acrylic     ML-3730 TEMP: 662 °F (350 °C)


Download the ML-3730 TDS


High degrees of accuracy and confidence.

Make the move to automated systems and eliminaate the health and safety risks that come with hot metals while delivering the track and trace accuracy your customers demand.


Try The ML-3730 Label - Get Your Sample Now!

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Product Brochure

hot metal track and trace HIGHdegree brochure download

Press Releases

High-Temperature Tags and Labels

Polyonics Offers High-Temperature Tags and Labels for Extreme Track and Trace Applications in Metals Processing Factories

Westmoreland, NH, January 13, 2021 – Polyonics®, a leader in high temperature and harsh environment label and tag materials, announced today a new line of materials specially engineered to stand up to the punishing demands of metal processing.

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