best temperature to purge bho

When you first start out making BHO the initial outlay required to buy a decent vacuum oven can be a bit daunting, but if you buy a cheap one off eBay, or worse yet, don’t use anything at all, the quality of … Butane’s boiling point is -1°C which makes controlling the amount of vapor pressure relatively easy in a butane-only extraction as that temperature is achievable with a small amount of cooling power. While you may not have the capacity to purge your extract with an inert gas (e.g. Just make sure you extend your purge times a significant amount to allow the alcohol to evaporate all the way off. A vacuum oven is the best option for removing butane from BHO, as it maintains temperature and pressure constantly better than other methods. Ai vacuum ovens are the best solution to simultaneously increase production and consistency, while minimizing processing time. i get my water to between 135-142 degrees Fahrenheit and then set my glass jar in the pot. Step 4: Cold Purge. The process consists of exposing the extract to a certain temperature in a vacuum environment, at an extremely low pressure. In this case, simply set the oven to 96.8º F (36 °C) and connect its vacuum pump for about 100 hours. When you have a solid, crystallized product, you will have BHO with amounts of butane that are barely traceable. However propane’s boiling point is -43°C, which requires much higher vapor pressure and cooling when running at temperatures higher than -43°C. How to purge it? Heat purge BHO with vacuum ovens. The most recent batch I made we used freshly boiled water. I don't have a vacuum so I just use a low-temp oven purge for my BHO runs (small scale, <1g oil). Temperature control and uniformity Consistent, stable temperatures Optimal vacuum levels. Prior to blasting I preheat the pyrex dish in the oven (lowest setting, 170F). Once the liquid is gone, I move the pan to the oven and turn the temp on and off every 10 minutes for about an hour. Either way, this step will reduce the amount of waxes that are butane soluble by reducing temperature. This allows the liquid butane to evaporate much faster. I've read that the temperature of the water used for purging can make a big impact on the color and taste of wax. We offer a variety of oven sizes, vacuum pumps, and accessories, all of which will help you get the job done right. dried CO2 gas), you do have the ability to extract BHO at room temperature and pull a full vacuum, assuming you have a vacuum chamber. Running the vacuum to completion can take anywhere from 10 to 20 minutes. Is this true? The principle of this type of purging is as simple as the traditional system, which uses a laboratory heating plate and a vacuum chamber for BHO (with its corresponding vacuum pump). Here is a short video shot at the macro level which shows some recently-extracted mixed strain BHO being purged in a hot water bath. This allows the BHO to remain liquid and for the butane to more easily escape without getting trapped. The ideal point for BHO is to hit below that, at -29.5. The best way to purge without a vacuum is to use a very accurate oven that can hold the temp at 170f - 175f, spread the Bho as thin as possible on parchment paper (after your initial waterbath purge) to create as much surface area as possible. The best way to purge your BHO is with a vacuum oven, and a good one at that. Now that you know how to use a vacuum pump for BHO, let’s look at the two best money can buy. The temps you use to purge can be about 20f higher than the vacuum method to achieve the same finishes. Must have dropped down only to 200°F before replacing it, and it turned out a dark brown color, pull-and-snap consistency. i use a thermometer for this part. now this temperature is very important because it is hot enough to get the butane to rise to the top of your concentrate and evaporate out, but not so hot to where you burn your concentrate and turn it an unwanted green color and loose its good taste. BHO should be produced by a reputable extractor who understands how to properly purge each run to avoid unpleasant aftertaste or harsh residual butane.

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