While solventless extracts like rosin are gaining commercial traction, most concentrates are still solvent-based. In both live and cured resin, solvents like butane and propane are introduced to the preserved bud, only to be purged at a later stage. You don’t need to worry about consuming hyd...
We installed the dyeing infusion device, and the gap between the orifice and the infusion needle was sealed with tree callus to prevent the entry of bacteria. After one year of the experiment, the three indexes of the color difference, colorfastness, and basic density were determined by ...