Topgunz - air to air upgrade

Originally Posted by cupcakez is the impeller gold from 928 or is that a specially ordered custom gold impeller? I think it's a special tough titanium nitride coating the same

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Topgunz - air to air upgrade

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04-17-2018, 05:57 PM

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Quote:

Originally Posted by cupcakez

is the impeller gold from 928 or is that a specially ordered custom gold impeller?

I think it's a special tough titanium nitride coating the same as applied to many cutting tools used on cnc mills and lathes to increase their life. It would give the impeller, which is billet aluminium, some extra protection.

"Titanium nitride is an extremely hard ceramic material, often used as a coating on titanium alloys, steel, carbide, and aluminium components to improve the substrate's surface properties". Wikipedia

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