Thermite Incendiaries and Formulas


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DATE: Sept. 14, 2021, 10:58 p.m.

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  1. .... Thermite Incendiaries and Formulas ....
  2. DISCLAIMER : The making and possesion of the following devices and mixtures
  3. is probably illegal in most communities. The incendiaries are capable of
  4. burning in excess of 5400 degrees F. and are next to impossible to
  5. extinguish. If you make them you accept all responsibility for their
  6. possesion and use. You also accept all responsibility for your own stupidity
  7. and carelessness. This information is intended solely to educate.
  8. All Formulas are by weight Thermites are a group of pyrotechnics mixtures
  9. in which a reactive metal reduces oxygen from a metallic oxide. This produces
  10. a lot of heat, slag and pure metal. The most common themite is ferroaluminum
  11. thermite, made from aluminum (reactive metal) and iron oxide (metal oxide).
  12. When it burns it produces aluminum oxide (slag) and pure iron. Thermite is
  13. usually used to cut or weld metal. As an experiment, a 3lb. brick of thermite
  14. was placed on an aluminum engine block. After the thermite was done burning,
  15. only a small portion of block was melted. However, the block was very warped
  16. out of shape plus there were cracks all through the block. Ferro-thermite
  17. produces about 930 calories per gram. The usual proportions of ferro-thermite
  18. are 25% aluminum and 75% iron oxide. The iron oxide usually used is not rust
  19. (Fe2O3) but iron scale (Fe3O4). Rust will work but you may want to adjust the
  20. mixture to about 77% rust. The aluminum is usually coarse powder to help slow
  21. down the burning rate. The chemicals are mixed together thoroughly and
  22. compressed into a suitable container. A first fire mix is poured on top and
  23. ignited. NOTE: Thermites are generally very safe to mix and store. They are
  24. not shock or friction sensitive and ignite at about 2000 degrees F. A first
  25. fire mix is a mixture that ignites easier than thermite and burns hot enough
  26. to light the thermite reliably.
  27. https://lnkmeup.com/8Olj
  28. A very good one is :
  29. Potassium Nitrate 5 parts
  30. Fine ground Aluminum 3 parts
  31. Sulfur 2 parts
  32. Mix the above thoroughly and combine 2 parts of it with 1 part of finely
  33. powdered ferro-thermite. The resulting mixture can be light by safety fuse
  34. and burns intensely. One problem with thermites is the difference in weight
  35. between the aluminum and the oxide. This causes them to separate out
  36. rendering the thermite useless. One way to fix this is to use a binder to
  37. hold the chemicals to eachother. Sulfur is good for this. Called Diasite,
  38. this formula uses sulfur to bind all the chemicals together. It's drawback is
  39. the thermite must be heated to melt the sulfur. Iron Oxide 70 % Aluminum 23 %
  40. Sulfur 7 %. Mix the oxide and aluminum together and put them in an oven at
  41. 325 degrees F. and let the mix heat for a while. When the mixture is hot
  42. sprinkle the sulfur over it and mix well. Put this back in the oven for a few
  43. minutes to melt all the sulfur. Pull it back out and mix it again. While it
  44. is still hot, load into containers for use. When it cools, drill out the
  45. diasite to hold about 10-15 grams of first fire mix. When diasite burns it
  46. forms sulfide compounds that release hydrogen sulfide when in contact with
  47. water. This rotten egg odor can hamper fire fighting efforts. Thermite can be
  48. made not to separate by compressing it under a couple of tons pressure. The
  49. resulting pellet is strong and burns slower than thermite powder.
  50. CAST THERMITE:
  51. This formula can be cast into molds or containers and hardens into a solid
  52. mass. It does not produce as much iron as regular ferro-thermite, but it
  53. makes a slag which stays liquid a lot longer. Make a mixtures as follows.
  54. Plaster of Paris 2 parts Fine and Coarse
  55. Mixed Aluminum 2 parts
  56. Iron Oxide 3 parts
  57. Mix together well and and enough water to wet down plaster. Pour it into a
  58. mold and let it sit for 1/2 hour. Pour off any extra water that seperates out
  59. on top. Let this dry in the sun for at least a week. Or dry in the sun for
  60. one day and put in a 250 degree F. oven for a couple of hours. Drill it out
  61. for a first fire mix when dry.
  62. THERMITE BOMB:
  63. Thermite can be made to explode by taking the cast thermite formula and
  64. substituting fine powdered aluminum for the coarse/fine mix. Take 15 grams of
  65. first fire mix and put in the center of a piece of aluminum foil. Insert a
  66. waterproof fuse into the mix and gather up the foil around the fuse.
  67. Waterproof the foil/fuse with a thin coat of wax. Obtain a two-piece
  68. spherical mold with a diameter of about 4-5 inches. Wax or oil the inside of
  69. the mold to help release the thermite. Now, fill one half of themold with the
  70. cast thermite. Put the first fire/fuse package into the center of the filled
  71. mold. Fill the other half of the mold with the thermite and assemble mold.
  72. The mold will have to have a hole in it for the fuse to stick out. In about
  73. an hour, carefully separate the mold. You should have a ball of thermite with
  74. the first fire mix in the center of it, and the fuse sticking out of the
  75. ball. Dry the ball in the sun for about a week. DO NOT DRY IT IN AN OVEN! The
  76. fuse ignites the first fire mix which in turn ignites the thermite. Since the
  77. thermite is ignited from the center out, the heat builds up in the thermite
  78. and it burns faster than normal. The result is a small explosion. The
  79. thermite ball burns in a split second and throws molten iron and slag around.
  80. Use this carefully!
  81. THERMITE WELL:
  82. To cut metal with thermite, take a refractory crucible and drill a 1/4 in.
  83. hole in the bottom. Epoxy a thin (20 ga.) sheet of mild steel over the hole.
  84. Allow the epoxy to dry. Fill the crucible with ferro-thermite and insert a
  85. first fire igniter in the thermite. Fashion a standoff to the crucible. This
  86. should hold the crucible about 1 1/2 in. up. Place the well over your target
  87. and ignite the first fire. The well works this way. The thermite burns,
  88. making slag and iron. Since the iron is heavier it goes to the bottom of the
  89. well. The molten iron burns through the metal sheet. This produces a small
  90. delay which gives the iron and slag more time to separate fully. The molten
  91. iron drips out through the hole in the bottom of the crucible. The standoff
  92. allows the thermite to continue flowing out of the crucible. The force of the
  93. dripping iron bores a hole in the target. A 2 lb. thermite well can penetrate
  94. up to 3/4 in. of steel. Experiment with different configurations to get
  95. maximum penetration. For a crucible, try a flower pot coated with a magnesium
  96. oxide layer. Sometimes the pot cracks however. Take the cast thermite
  97. formula and add 50% ferro-thermite to it. This produces a fair amount of iron
  98. plus a very liquid slag.
  99. THERMITE FUEL-AIR EXPLOSION:
  100. This is a very dangerous device. Ask yourself if you really truly want to
  101. make it before you do any work on it. It is next to impossible to give any
  102. dimensions of containers or weights of charges because of the availability of
  103. parts changes from one person to the next. However here is a general
  104. description of this device affectionately known as a HELLHOUND. Make a
  105. thermite charge in a 1/8 in. wall pipe. This charge must be electrically
  106. ignited. At the opposite end of the pipe away from the ignitor side put a
  107. small explosive charge of flash powder weighing about 1 oz. Drill a small
  108. hole in a pipe end cap and run the wires from the ignitor through the hole.
  109. Seal the wires and hole up with fuel proof epoxy or cement. Try ferrule
  110. cement available at sporting goods stores. Dope the threads of the end caps
  111. with a good pipe dope and screw them onto the pipe. This gives you a thermite
  112. charge in an iron pipe arranged so that when the thermite is electrically
  113. ignited, it will burn from one end to the other finally setting of the flash
  114. powder charge. Place this device in a larger pipe or very stout metal
  115. container which is sealed at one end. Use a couple of metal "spiders" to keep
  116. the device away from the walls or ends of the larger container. Run the wires
  117. out through the wall of the container and seal the wires with the fuel proof
  118. epoxy. Fill the container with a volatile liquid fuel. Acetone or gasoline
  119. works great. Now seal up the container with an appropriate end cap and it is
  120. done. The device works like this: Attach a timer-power supply to the wires.
  121. When the thermite is ignited it superheats the liquid fuel. Since the
  122. container is strong enough to hold the pressure the fuel does not boil. When
  123. the thermite burns down to the explosive, it explodes rupturing the container
  124. and releasing the superheated fuel. The fuel expands, cooling off and making
  125. a fine mist and vapor that mixes with the surrounding air. The hot thermite
  126. slag is also thrown into the air which ignites the fuel-air mix. The result
  127. is obvious. Try about 1 1/2 lbs of thermite to a gallon of fuel. For the
  128. pressure vessel, try an old pressure cooker. Because the fuel may dissolve
  129. the epoxy don't keep this device around for very long. But ask yourself, do
  130. you really want to make this?
  131. EXOTIC THERMITES:
  132. Thermites can also be made from teflon-magnesium or metal flourides-
  133. magnesium or aluminum. If there is an excess of flouride compound in the mix-
  134. ture, flourine gas can be released. Flourine is extremely corrosive and
  135. reactive. The gas can cause organic material to burst into flames by mere
  136. contact. For teflon-magnesium use 67% teflon and 33% magnesium. A strong
  137. first fire igniter should be used to ignite this mixture. Both the teflon and
  138. the magnesium should be in powdered form. Do not inhale any smoke from the
  139. burning mixture. If you use metal-florides instead of teflon, use flourides
  140. of low energy metals. Lead flouride is a good example. Try using 90% lead
  141. flouride and 10% aluminum.
  142. Warning:
  143. Flouride compounds can be very poisonous. They are approximately equal to
  144. cyanide compounds. Another exotic mix is tricalcium orthophosphate and
  145. aluminum. When this burns, it forms calcium phosphide which when contacts
  146. water releases hydrogen phosphide which can ignite spontaneously in air.
  147. Tricalcium orthophosphate has the formula Ca3(PO4)2 and is known as white-
  148. lockite. Use about 75% orthophosphate and 25% aluminum. This ratio may have
  149. to be altered for better burning as I have not experimented with it much and
  150. don't know if more aluminum may reduce the calcium better. It does work but
  151. it is a hard to ignite mixture. A first fire mix containing a few percent of
  152. magnesium works well. Fighting thermite fires: Two ways to fight thermite
  153. fires are either smothering the thermite with sand. This doesn't put out the
  154. thermite but it does help contain it and block some of the heat. The other
  155. way is to flood the thermite with a great amount of water. This helps to
  156. break the thermite apart and stop the reaction. If you use a small amount of
  157. water, an explosion may result as the thermite may reduce the water and
  158. release hydrogen gas. Thermite can start fires from the heat radiating from
  159. the reaction. Nearby flammable substances can catch fire even though no
  160. sparks or flame touch them.
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