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- Burning characteristics of the paper removed with fireproof solution
- Fireproff functionality has not been tested in the fabric!
- idea: to block the burning of the rocket parachute
- The materials used must not be swallowed!
Required Materials
- 500 ml water
- 57 gr boric acid
- 62 gr borax
- 140 gr ammonium sulfate
- 50 ml water was added 14 g of copper sulfate solution for dissolving blue
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