Inerts work like that? Hmm…
Damn wizards
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Squish in a pressurized inert atmosphere
Pressure keeps your volatiles liquid.
Inert solves the “heat fucked my terps”
Should get around anyone’s “I invented squish” too.
Cause it’s cute, but not economically viable imo.
Unless one has the stomach to “boutique the fuck out of it” which this would absolutely qualify for…
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Do rosin pressing under high vacuum with ln2 condensors
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he said without vac 
Asking the right questions, appreciate that.
It’s not the just pressure involved, it’s also the heat. It’s pretty unquestionable there is significant loss and/or alteration of very volatile or fragile compounds at the temperatures, exposure times, and pressures in question with rosin. I don’t think there is much debate there. Things like VSCs, alcohols, etc. These are all ultimately incredibly trace compounds, but can definitely meaningfully impact flavor (and perhaps effects depending on your take on entourage?)
To nitpick existing preparations:
Straight steam undergoes far too much thermal decomposition and alterations with prolonged contact with water. It also doesn’t grab entire classes of targets we are after, can pull some nasty’s that need to be remediated out, etc.
HTFSE from hydrocarbons are great. But some people don’t like chemical solvents period. And some places like MA have PPM limits set very, very low…like literally 12 PPM. That’s one gentle purge, and well certainly possible, may take some very light volatiles along for the ride.
Rosin can provide an incredibly tasty terp fraction/squish. We don’t mean to bash it or anyone’s existing IP/process. But it is very apparent looking at the parameters you just aren’t catching super volatiles at all with existing processes.
CO2 provides a wonderful fraction done right, machinery costs an arm and a leg, runtimes are terrible, and many locales do class this as solvent extract.
Recommendations above re: pressured inerts seem to make way more sense than what i was thinking, so i do greatly appreciate the wizards in here~
What would set such a product apart would be retaining very light volatiles that are normally definitely lost with solventless, well remaining solventless. Again, some people are anally retentive when it comes to solvent, even if the end product is “solvent-free”. I just don’t really see any way to feasibly capture entire classes of uber light volatiles on a press (sans the wizardry above). Going to look into that, despite costs seems like it may work and probably would be no more expensive than chucking membrane filters in the bin lol~
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You can only press treu a membrane a solution so still need to seperate from the trichrome
Doubt you will notice on a small scale but how about pressing cryo yust to rupture cell wals and then centrifuge biomass in a filter tube
Maybe eventually you can catch a drop