3 ms·
That looks like interesting stuff; I was working recently with older 'black' retroreflective materials and the performance wasn't great so we ditched it. I'm in
by hazeii 8y ago
That looks like interesting stuff; I was working recently with older 'black' retroreflective materials and the performance wasn't great so we ditched it. I'm in the UK, is it on the market yet or do I need to go through the in-country 3M office?
- mensetmanusman 8y agoIt is on the market, as C790 Carbon Black. I imagine it is difficult to get small samples as an individual, as 3M typically sells to businesses. May I ask what you were working with said material for?
- hazeii 8y agoContactless sensing, using retroreflection of a light beam to sense and measure rotation speed. We wanted black so it wouldn't be as visible as the usual silvery-grey, given it was stuck to the sidewall of black tyres. I keep coming across uses, most recently for tracking research animals in near-darkness (looking down on a floor of scotchlite). The black could be a better choice for that so thanks for the heads-up about it; email me on sfx 'at' tessierlabs.com if you want to know more.