Closed Loop Extraction

Closed loop extraction is a specialist technique that is used to extract cannabinoids and terpenes from raw cannabis plants.

This extraction method gets its name from the type of equipment used. Raw cannabis plant materials are put inside a closed vessel where solvents, like butane or propane, are repeatedly looped through the system - extracting cannabinoids and terpenes along the way. Closed loop extractions are completely protected from the outside environment, and so can be controlled very easily. 

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