Old 06-26-19, 02:09 PM
- Soli Deo Gloria -
Join Date: Aug 2015
Location: Northwest Georgia
Posts: 14,784

Bikes: 2018 Rodriguez Custom Fixed Gear, 2017 Niner RLT 9 RDO, 2015 Bianchi Pista, 2002 Fuji Robaix

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Schoeller Coldblack acts on infra red which is invisible to the human eye. It appears black because it absorbs all wavelengths of visible light but it reflects invisible infra red.

That's what I've read. I don't know that any of my gear is coldblack so can't vouch for its efficacy in the real world.

There are articles in the interwebz which claim 10F temperature reduction under controlled condition - exposed to a heat lamp and measured with an IR thermal imaging gun.

Incidentally, and noting @Biker395's avatar jersey, white consistently tests more effective than Coldblack. I can't seem to keep white clean though.

TimothyH is offline