Hash lovers and solvent extract heads conflict infrequently. Two totally different classes of extracts are separated by bodily course of and tradition. Because of this, there are fantastic traces in the nomenclature to outline numerous merchandise. For instance – a sure phrase solely applies to 1 class, however what is full melt hash and why doesn’t it apply to solvent extracts?

Photo courtesy of Frency Cannoli.

What defines hash from a solvent extracts?

Frenchy Cannoli is a reputation effectively acknowledged in the hash neighborhood. Before he handed into trichome paradis throughout summer time 2021, Frenchy developed a chart of the totally different focus classes. Traditionally talking, the distinction between extracts and hash is primarily based on course of; in spite of everything, water is a solvent. A focus is not hash as soon as its trichomes (THCa, THC, or different cannabinoids) are chemically dissolved or mechanically crushed. Structurally, a trichome consists of a resin gland encased in a waxy head, and if the resin is faraway from its shell, it is a solute somewhat than a hash (suspension.)

Water dissolves chlorophyll, sugars, and agricultural salts — the undesirable polar compounds — however it does not dissolve THC. Alcohol and alkanes as a substitute dissolve the non-polar cannabinoids and resins. With hash, chilly water and agitation merely assist raise trichomes away from the much less needed polar plant substrate. From there, the two mediums might be separated, collected as solids by mechanical filtration, and then gently pressed.

Frenchy Cannoli (pictured) was identified for curing hash in natural cellophane to permit terpenes to diversify and even polymerize right into a dynamic profile. Photo by Warren Bobrow.

Half and full melt: A hash scale

It must be famous that an odd little bit of misinformation floats round hash circles, largely as a consequence of color remediation (CRC) salespeople. Contrary to some arguments, nevertheless, color is not a golden rule for solventless hash or the star system. Final purity is extra precisely rated by the method hash melts, however after all, that’s not with out debate. Regardless, there is a typically accepted definition of full versus half melt hash.

If hash is vaporized on a display over high-temperature quartz (or titanium) and 50 to 75% of the hash melts, it is thought-about a half-melt in lots of circles. Half-melts might be nice and sometimes less expensive, however they don’t bode effectively for dabs. But if greater than 75% of the hash vaporizes, liquefies, or sublimates then it is thought-about a full-melt hash. Beyond this, hash high quality has additionally been damaged down right into a star system.

Six star, 73u Deadhead OG vaporized with solely oil remaining, zero char. Photo courtesy of Bret Maverick.

Does the previous star system maintain any floor?

Hash with a 3 and four-star score is sometimes a half-melt; whereas, a five-star hash shall be a full melt. Six-star hash is somewhat an elusive icon consisting of extremely pure, intact trichomes. Some carbon will virtually at all times be left behind after vaporizing a solventless hashish focus. That stated, if lower than 5% of the materials by weight stays after vaporization, the hash can genuinely be revered as a real six-star.

Photo courtesy of @Leftcoastc.

Do you agree that rosin is a solventless technique of extracting hashish, however that it can’t be categorized by a star system? And what about limonene hash oil?

In any case, we now have half and full melts, and a star system to evaluate hash high quality. That sounds organized, however it is primarily based on trichome construction after separation and the amount of residual materials (carbon) after vaporization. Quality turns into extra complicated when accounting for the number of compounds many consult with as hashish’s full spectrum.

Have you ever had the pleasure of dabbing six-star concentrates? Let us know your ideas on the definition of full melt hash in the feedback.

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