48 lines
1.7 KiB
Markdown
48 lines
1.7 KiB
Markdown
## Diatomaceous Earth
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**Formula**
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Complex mineral which is rich in Silica (80-90%)
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**Pyrotechnics use**
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???
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**Synonyms**
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diatomite, celite or kieselguhr
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**Description**
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A naturally occurring, soft, siliceous sedimentary rock that can be crumbled into a fine white to off-white powder. It has a particle size ranging from more than 3 mm to less than 1 μm, but typically 10 to 200 μm.[1] Depending on the granularity, this powder can have an abrasive feel, similar to pumice powder, and has a low density as a result of its high porosity. The typical chemical composition of oven-dried diatomaceous earth is 80–90% silica, with 2–4% alumina (attributed mostly to clay minerals), and 0.5–2% iron oxide.
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Diatomaceous earth consists of the fossilized remains of diatoms, a type of hard-shelled microalgae, that have accumulated over millions of years.
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```
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Name: Fence-post prime
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Type: Prime
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Source: Eugene Yurek
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Potassium Nitrate 65
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Charcoal Airfloat 12
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Sulfur 10
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Diatomaceous Earth 5
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Silicon (325 mesh) 5
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Charcoal, spruce, ball milled 3
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Named for it's purported ability to light wet fence posts in a hurricane. The silicon burns and forms molten glass.
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I don't want to copy and paste the comments from passfire here but I'll try to cover a few bases.. The DE makes this stuff pretty fluffy. Use about 1/3 less than you would with a regular prime. A layer 1-1.5mm thick is all you should ever need. If your stars are ridiculously difficult, up the silicon to no more than 10%.
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Source: https://www.amateurpyro.com/forums/topic/2676-fence-post-prime/
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```
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**Sources**
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**Hazards**
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Wikipedia
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https://en.wikipedia.org/wiki/Diatomaceous_earth |