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  • speedlimit55 commented on Tetranitrate's instructable Thermite8 months ago
    Thermite

    The debate over Fe2O3 to AL ratio is 80:27... both materials are available though Amazon or Ebay. Other sites offer the materials by the tonne...The ration is by weight. I am mixing 800 grams to 270 grams.I'm using a 3 inch "fuse" of magnesium in my first attempt... had to get a torch (as in a burning torch) to ignite the fuse. Once I go with that I will also attempt using nichrome wire off a lantern battery, a fireworks igniter off a lantern battery and a final test of potassium permanganate with glycerin. Once I verify the ignition system that works best (safest) I'll add the thermate materials to the mix and update.For a "hotter" burn I've read that using CuO2 or other oxidizers is better than Fe2O3. Also using different more reactive metals in theory makes it ho...see more »The debate over Fe2O3 to AL ratio is 80:27... both materials are available though Amazon or Ebay. Other sites offer the materials by the tonne...The ration is by weight. I am mixing 800 grams to 270 grams.I'm using a 3 inch "fuse" of magnesium in my first attempt... had to get a torch (as in a burning torch) to ignite the fuse. Once I go with that I will also attempt using nichrome wire off a lantern battery, a fireworks igniter off a lantern battery and a final test of potassium permanganate with glycerin. Once I verify the ignition system that works best (safest) I'll add the thermate materials to the mix and update.For a "hotter" burn I've read that using CuO2 or other oxidizers is better than Fe2O3. Also using different more reactive metals in theory makes it hotter but getting too reactive make storage unstable both from a reactive view and shelf life.

    The debate over Fe2O3 to AL ratio is 80:27... both materials are available though Amazon or Ebay. Other sites offer the materials by the tonne... I'm using a 3 inch "fuse" of magnesium in my first attempt... had to get a torch (as in a burning torch) to ignite the fuse. Once I go with that I will also attempt using nichrome wire off a lantern battery, a fireworks igniter off a lantern battery and a final test of potassium permanganate with glycerin. Once I verify the ignition system that works best (safest) I'll add the thermate materials to the mix and update.For a "hotter" burn I've read that using CuO2 or other oxidizers is better than Fe2O3. Also using different more reactive metals in theory makes it hotter but getting too reactive make storage unstable both...see more »The debate over Fe2O3 to AL ratio is 80:27... both materials are available though Amazon or Ebay. Other sites offer the materials by the tonne... I'm using a 3 inch "fuse" of magnesium in my first attempt... had to get a torch (as in a burning torch) to ignite the fuse. Once I go with that I will also attempt using nichrome wire off a lantern battery, a fireworks igniter off a lantern battery and a final test of potassium permanganate with glycerin. Once I verify the ignition system that works best (safest) I'll add the thermate materials to the mix and update.For a "hotter" burn I've read that using CuO2 or other oxidizers is better than Fe2O3. Also using different more reactive metals in theory makes it hotter but getting too reactive make storage unstable both from a reactive view and shelf life.

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