A quick reference guide
“Material: Reflectivity:
Mylar 90 – 98 %
Foylon 92 - 95 %
BW poly 85 - 90 %
Flat white paint 60 - 90 %
Mirror 82 - 87 %
Glossy white paint 70 - 80 %
Aluminium foil (flat side) 50 - 70 %
Black paint < 10 %”
you’ll have to look at the “hidden posts” from pigSquishy
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