Subject	Zinc only works on boats; well applied Cadmium will work:
Posted by	zorpman1 on September 27, 2008 at 6:55 AM
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In Reply To	Silver zinc coated vs Black zinc coated rotors. posted by Jason300zxTT on September 26, 2008 at 05:48 PM
Message	Cadmium (looks gold/green) is mil-spec for most military and HD metal rust protection applications. It is about as heat proof as you can get without going ceramic. I would install the new rotors using old pads for a couple of miles to wipe whatever coating is on the swept surface of the rotor (which can contaminate the pad with flakes of coating). Then change the pads. Be aware that the swept area of the rotor will always be subject to rust. Stainless steel rotors look nice but both absorb heat and reject heat (the very purpose of the rotor) horribly.
Follow Ups	Silver zinc coated vs Black zinc coated rotors. - Jason300zxTT 17:48:37 09/26/08 one is black, one is silver - BigTDogg (MA) 18:01:59 09/26/08 but the hats will remain black. If you care. (n/m) - MrPulldown 18:19:25 09/26/08 Just the color of the hat. (n/m) - Bernie (NoVA) 19:32:56 09/26/08 metallurgically the same, black looks better... - David G 00:00:14 09/27/08 Zinc only works on boats; well applied Cadmium will work: - zorpman1 06:55:45 09/27/08
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