3 ms·
Interesting. Barium Sulfate (Spectraflect) was likely the previous record holder at 98%.
by cvccvroomvroom 3y ago
Interesting. Barium Sulfate (Spectraflect) was likely the previous record holder at 98%.
- tomkinstinch 3y agoDepending on the wavelength, Spectralon (sintered PTFE powder) is a bit better. At least until it gets dirty.