October 2018

Heat Transfer

Understand the installation of steam tracing for long-term application success—Part 2

One of the most misunderstood and misused components of conductive steam tracing systems is heat transfer compound (HTC).

Hannah, C. C., Perry, T. W., QMax Industries Inc.

One of the most misunderstood and misused components of conductive steam tracing systems is heat transfer compound (HTC). HTC is a viscous mastic designed to fill small air gaps between the tracing element and the object to be heated. HTC is considerably more effective at transferring heat than static air, but it has relatively poor thermal conductivity compared to the other components in a steam tracing system. If used in very thin layers, however, HTC helps maximize the performance of heating systems. In this article, the authors discuss and demonstrate why the performance and success of conductive steam tracing systems are highly dependent upon the proper installation and use of HTC. To

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