Yes I understand the polar/non polar thing. I didn't filter just butane, I filtered butane and ethanol mixed together. Then because butane boils around 32 degrees and ethanol boils around 173, the butane is removed first. Then vacuuming is done without heat, because ethanol boils out at 28hg at sea level under vacuum.
I want to know if it matters how far you take the butane down before you add ethanol. Is it better to A. Make BHO, then dissolve in ethanol, winterize, then filter or B. extract with butane but then add ethanol right away before its reduced, then winterize?