Sourced right here in the USA, this high-purity blends are typically testing at 99%+ purity. The most common Butane Blends are:
 
70% Butane + 30% Propane
90% Butane + 10% Propane
60% Butane + 20% Isobutane + 20% Propane
 
Solvent Direct Butane Gas Blends are clean, colorless, odorless, and free of any hydrogen sulfide-based ethyl mercaptan odorants and BTEX compounds including benzene, toluene, ethylbenzene and xylene.
 
Solvent Direct blends are clean, colorless, odorless, and free of any hydrogen sulfide-based ethyl mercaptan odorants and BTEX compounds including benzene, toluene, ethylbenzene and xylene.
 
This solvent helps produce a higher quality extract through the reduction of mystery oils and contaminants because all cylinders are processed with our patented 3 Phase Cylinder Decontamination before every refill to ensure the clean gas is not compromised by a dirty or re-used cylinder. 
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Included with every purchase our clients receive a Certificate of Analysis (COA) for the gas and a Certificate of Decontamination (COD) for the cylinder purity or you can simply look up your Certifications at our online Repository.