24 lines
668 B
Markdown
24 lines
668 B
Markdown
## Sodium Silicate
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**Formula**
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$Na2SiO3$
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**Pyrotechnics use**
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**Synonyms**
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**Description**
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Sodium silicate, also known as water glass or liquid glass, available in liquid and solid (prill) form, is used for passive fire protection.
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**Sources**
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It can be bought from online pyrotechnic stores and ceramic supply shops. It can be bought in either liquid form or a dry powder. When dry it is mixed with water and a small amount is placed around pass fire holes and exhaust holes (see hummer).
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**Hazards**
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Sodium silicate is corrosive and may cause health problems with over exposure. It is best to avoid eye and skin contact and vapour or mist inhalation.
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