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HVOF Corrosion
This test was performed by an independent laboratory.
The sample coatings were applied to bars of 4140 steel as follows:
- Nitrided to approximately .007 - .010-inch depth
- Chrome plated, .002- .003 - inch thick
- Plasma spray, tungsten carbide/cobalt powder
- JK 558 TRIBALO™® T-800
- JK 591 NISTELLE™® C
- JK 112, tungsten carbide/cobalt powder
The lower third of the surfaces were immersed in acid concentrates at elevated temperatures. Corrosion was measured by weight loss. The acids and conditions were as follows:
Click Image to Enlarge
Data courtesy TAFA, Inc., Concord, NH.
The Federal Communications Commission specifies that most devices must remain passively susceptible to impingent interference.* Minimize risk and reduce compromising emissions with conductive surfaces from Hayden Corporation.
*See FCC 79-555/14686
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