What is Rosin and How Is It Made?

Thursday, Jan 28, 2021

Rosin is an extraction process that utilizes heat and pressure to make solventless hash oil. It can be made from kief, flower, trim or ice hash (bubble hash). At Dialed In, our rosin is made from ice hash, meaning the ‘What Is Ice Hash?’ post must be done before any material is ready to be made into rosin.

The rosin process begins by filling 25u micron sceen pouches with ice hash and then placing the filled pouches into our rosin press. (These pouches are sandwiched by parchment paper).At this time a combination of mild heat and pressure is used. On average these temperatures range from 160°F to 210°F, while staying as low as possible to preserve terpenes. The amount of pressure should also start low, and over time slowly increase. As the press applies both heat and pressure, the trichome’s outside membrane is broken down and squeezed. This results in oil (rosin) coming out of the press in a nice homogeneous consistency. This rosin is terpene and cannabinoid rich, while leaving trichome husks or membranes behind still inside of the 25u micron bag. A major benefit of this process is a final product is a solventless hash oil that’s free of chemicals and hydrocarbons. It also offers a cleaner melt over ice hash , since there is very little or no cell membranes or plant waxes inside of the rosin.

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