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Cannabis concentrates contain high THC levels that range from 40% to over 90%, [1] [2] stronger in THC content than high-grade marijuana, which normally measures around 20% THC levels. Volatile solvents, such as ethanol , butane , propane or hexane , may be used to prepare extracts, but can and will possibly lead to fire and explosion hazards ...
Hash oil or cannabis oil is an oleoresin obtained by the extraction of cannabis or hashish. [1] It is a cannabis concentrate containing many of its resins and terpenes – in particular, tetrahydrocannabinol (THC), cannabidiol (CBD), and other cannabinoids.
Normal cognition is restored after approximately three hours for larger doses via a smoking pipe, bong or vaporizer. [105] However, if a large amount is taken orally the effects may last much longer. After 24 hours to a few days, minuscule psychoactive effects may be felt, depending on dosage, frequency and tolerance to the drug.
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Pitch produced from petroleum may be called bitumen or asphalt, while plant-derived pitch, a resin, is known as rosin in its solid form. Tar is sometimes used interchangeably with pitch, but generally refers to a more liquid substance derived from coal production, including coal tar, or from plants, as in pine tar. [2]
Bisphenol A (BPA) is a chemical compound primarily used in the manufacturing of various plastics.It is a colourless solid which is soluble in most common organic solvents, but has very poor solubility in water.
What sets SQRTM apart from standard resin transfer molding is the substitution of a prepreg layup rather than a dry fiber preform. [3] SQRTM is an RTM process adapted to prepreg technology. The prepreg is placed in a closed mold and during the cure cycle, a small amount of resin is injected into the cavity through ports positioned around the part.
Image credits: BeardedAxiom People's fascination with true crime isn't something new. Ever since the moveable type was invented in the 1400s, stories of crime and unsolved cases fascinated people ...