If you're going to winterize rosin, why not do QWET instead? Haven't compared, but the end result should be identical. Unfortunately, even QWET shatter will foul your coils pretty quickly. Usually replace coils every other day.
Have you come across any other attys that work like the Pulse X?
Yes, one would assume the results should be the same; the experiment results show otherwise.
Following is a summary an experiment done a few days ago. Started with flower and ended up with oil with impurities removed. Main reason of this experiment was to establish the difference in yield and amount of ethanol consumed by winterizing vs QWET.
1) QWET - washed/filtered/evaporated ehtanol and water, collected material and loaded cart.
2) Pressed - winterized(filtered/evap), collected and loaded cart.
5 grams flower sample - Gorilla Glue #4 (21.93%THC) Heady's
Result
QWET produced 1 gram of pure clean oil; the process iis highly efficient at extracting all the cannabinoids from the flower.
Pressed flower was 1 gram (20%). After winterizing, 500mg left. Lost a lot due to no secondary wash, too large filters, etc.
Without ethanol recovery, there is added cost from lost ethanol. Ethanol absolute 200 proof was used, everclear not an option.
Thoughts:
QWET uses more ethanol than just winterizing but another test of winterizing rosin is needed to validate the efficiency and use of ethanol.
With no press, then QWET is the preferred method, less equipment needed.
As to the loss during winterizing. Like nearly all pressing, there is oil left behind in the puck. 20% on second pressing is not unusual, so some loss may have occurred there. Also, lost material due to inefficiencies in filtering and material retained in filters was not washed all out.
Validate amount lost during winterizing process. Run test again, taking measure to minimize lost material during process. I'm sold on QWET going forward so doing this just to have that knowledge.
@KeroZen - It is an odd term; did not hear it before but Google finds plenty of reference to the term. Since deciding on using QWET for flower to cart ready oil, squonk route is less attractive. Also, for the reasons you mention, it is primarily for e-juice and the fact so little mentioned on FC means that is all virgin land to navigate and no reason to do that unless no other alternatives.
Next will be finalizing mods and atomizers that work best on clean oil.