Ubehage Posted February 10, 2015 Posted February 10, 2015 Hello, fellow pyro-guys and -girls I'm not sure if this post fits into "Safety" category, so I decided to just post it here. An admin may move it, or notify me, if needed. A few months ago, I had a minor accident, as some of you may have read So I decided to perform some scientific-method tests, to accurately determine at which temperature BP will ignite. There tests are now done, and I have some results that I am willing to call accurate and final:Please note, that these results are made with 75:15:10, made with devotion to the final product. I do not have any knowledge if other compositions will burn at the same temp And I also know, that "sloppier" mixes will most often burn at a slightly higher temperature. Anyway, let's cut to what you are here to read:At a temperature of 217C (428F), BP may spontaneously ignite after 2-3 minutes of constant exposure to the heat.At 350C (662F), BP may ignite after just 1 minute of exposure.At 405C (761F), BP will ignite within a few seconds of exposure to this temperature. I hope this information can be valuable to anyone else than me Have fun, and remember to stay safe!
Mumbles Posted February 10, 2015 Posted February 10, 2015 I don't mean to disparage you, but "scientific-methods tests" are kind of meaningless if none of the science or methods used are included. 1
Differential Posted February 11, 2015 Posted February 11, 2015 That is interesting. Thanks, Ubehage! Although of course I would never plan on drying anything at that high a temp. I washed some pine charcoal to see if that would noticeably improve the quality (it does not.) I dried a small amount in the oven at 350 F, and it started glowing. 1
Ubehage Posted February 11, 2015 Author Posted February 11, 2015 I washed some pine charcoal to see if that would noticeably improve the quality (it does not.) I dried a small amount in the oven at 350 F, and it started glowing.I will try this. To me, it does not sound very plausible that the glowing should come from any kind of fire.More likely, it's a difference in the reflection of any light, as the coal was drying and heating.
Differential Posted February 11, 2015 Posted February 11, 2015 It was definitely on fire. Produced some ash, and I had to put it out before too much caught. 1
taiwanluthiers Posted February 11, 2015 Posted February 11, 2015 Pine charcoal seems to vary. I have made bp with pine charcoal and it didn't perform well (same as hardwood in fact). I know douglas fir made really slow bp. 1
Ubehage Posted February 11, 2015 Author Posted February 11, 2015 It seems like I need to add, that I used Vineyard charcoal for my BP.
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