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topic 4686

Manganese-phosphate coatings and their effect on electrical conductivity.


Does anyone have knowledge or information on the effects of Manganese-Phosphate coating on the electrical conductivity (specifically the insulating effect, if any)of a case hardened steel surface. Does the phosphating increase or decrease the possibility or intensity of damage caused by the discharge of electric currents at an interface.

Problem - bearings being damaged by electric discharge.

I am not interested in grounding techniques, just the effects of phosphating.

Many thanks.

Ray Mills
- Toronto, Canada


Hi Ray,

I don't have an answer for you but I am interested in Mn phosphate coatings also and I live in the Toronto vicinity.

- Burlington, Ontario

May 2, 2012


- CAVITE CITY, Philippines

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