Archive: solubility of AP and HMTD - The Explosives and Weapons Forum

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solubility of AP and HMTD

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Author	Topic: solubility of AP and HMTD
Phobos A New Voice	posted December 08, 1999 12:28 PM I want to dissolve some AP and then evaporate the solvent to get big lumps which I suppose are more stable than the crystals.I tried to dissolve AP in various liquids like acetone, ethanol, petroleum spirit, glycerol..., but it seems to be totally insoluble or only soluble in small amounts. so would I need to melt AP on a waterbath to get it in lums, which seems quite dangerous to me? And is it the same for HMTD, which I have not made so far? TNX, PhoBoS
VeHeMT Frequent Poster	posted December 08, 1999 01:14 PM The problem is that the AP and HMTD will decompose when exposed to the heat necessary to melt it, therefore making melting an impossibility. What you can do is make a "putty" a la Nipolit which when dry will as solid as a rock, and can be formed into any shap you desire. A good ratio would be 60%AP 40% Nitrocellulose. Dissolve the NC in some acetone, and then add the AP into the dissolved NC. When the acetone fully evaporates you will have a rock hard (dont test to see how hard it is....) piece of AP. The use of double base NC will increase its power. Just like AP it will react the same to flame as it did before.
Dr-D Frequent Poster	posted December 08, 1999 03:40 PM Is there any other binder that is sutible for AP and the like? NC is hard to come by and $$$$$ when you do have the connections. Something that is a strong adhesive but yet burns a little would work?
HMTD Factory Frequent Poster	posted December 08, 1999 04:46 PM You can use vaseline+solid lecithin stuff. Estimate the amount of "binder" you want, then take 80% of vaseline, 20% of lecithin, visual measurement is ok, dissolve them in lighter fluid or other petrollium distillates, pour the mixture into the explosive powder u have, devide your explosives into several jobs and feed the solution with a spoon, you don't wanna pour "A LOT" of gas onto "A LOT" of sensitive explosives. Stir well and serve...I mean let dry. You can find "solid" lecithin in healthy food store, body build-up food store, pharmacy, if the place sells vitamins then they probably will have lecithin. I use to add lecithin into the Vaseline/KClO3 system, make them so putty, can thread them into noodles without breaking it.

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