3 ms·
Isn't all high grade silicon derived from one place in the US?
by throwawaymaths 3y ago
Isn't all high grade silicon derived from one place in the US?
- kurthr 3y agoSpruce Pine - https://en.wikipedia.org/wiki/Spruce_Pine_Mining_District https://en.wikipedia.org/wiki/Spruce_Pine_Mining_District It's the purest source, but lots of cheap PV poly is made from other stuff.