Is there a minimum thickness of Fluxtrol that should be on my coil?

Is there a minimum thickness of Fluxtrol that should be on my coil?

Answer:

The minimum thickness depends on the application. Typical thickness of the concentrator pole on the surface hardening coils is 0.125-0.5″ (3-13mm). In some cases, concentrator thickness as small as 0.020″ (0.5mm) have been used in low power, high frequency applications.
The minimum thickness depends on the application. Typical thickness of the concentrator pole on the surface hardening coils is 0.125-0.5″ (3-13mm). In some cases, concentrator thickness as small as 0.020″ (0.5mm) have been used in low power, high frequency applications.

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