This refers to an extraction process that utilizes hydrocarbon solvents such as butane, propane and hexane to separate the trichomes from the plant material. It is used to make a variety of cannabis concentrates. The process should be carried out in controlled environments as hydrocarbon solvents are volatile solvents and heavier than air hence tend to pool on the floor of a space that isn’t properly ventilated, resulting in dangerous explosions when ignited.

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