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Silicone coatings designed primarily for temperature indicating applications requiring an irreversible sharp visual color change.

Thurmalox® 884-085

Temperature Indicating Coating

A heat-resistant modified silicone coating system designed primarily for temperature indicating applications requiring a single stage irreversible color change. When applied to refinery and petrochemical process equipment which operate at elevated temperatures the color change provided by Thurmalox 884-085 indicates vessel overheating due to failure of refractory linings, system malfunction or bypassing of hot gases. Thurmalox 884-085 is suitable for maximum continuous operating temperatures up to 550˚F (288˚C).
Data Sheet
Available sizes
  • 1 Gallon
  • 5 Gallon

Color Change Summary

Ambient to 550˚F (288˚C)


650˚ (343˚C) to 950˚F (510˚C)

Green to White


Note: Color change is dependent on variables such as time, temperature and thickness of steel surface.  Color change or drift is possible based on these variables.  Thurmalox 884-085 may require repainting every 18-24 months depending on operating conditions.


Specification Data


Application Instructions

  To place orders and/or obtain pricing information contact:

Dampney Company
85 Paris Street
Everett, MA 02149
TEL: (617) 389-2805
Request More Information

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Temperature Indicating Coatings
Silicone coatings designed primarily for temperature indicating applications requiring an irreversible sharp visual color change.
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