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Paraformaldehyde is a white solid material with a formaldehyde content ranging between 78% and 98%. It is supplied in the form of a prill or granulated product. All forms contain more than 95.0% paraformaldehyde content. Paraformaldehyde is a polymer that is typically obtained as a white powder. When mixed with hot water and fully depolymerized, it converts into a formaldehyde solution or formalin. Since paraformaldehyde is essentially a condensed form of formaldehyde, it exhibits similar properties while offering a wide range of applications.
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In some enclosed areas where humidity is high, fumigation with paraformaldehyde effectively controls fungal mold and mildew. In photography, paraformaldehyde is used as a gelatin hardener and plays a role in the development process. It is also a component of edible anti-caking powders. Cracking in certain materials can be reduced by methods that generate vapors using heated paraformaldehyde.
Paraformaldehyde can be used as a substitute for formalin in the production of industrial bonding materials, typically in combination with urea and melamine, phenol, resorcinol, tannin, or other adhesives used in the manufacture of boards, as well as in food and beverage applications.
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| Item | Paraformaldehyde |
|---|---|
| Product code | Paraformaldehyde |
| Appearance | White crystals |
| Formaldehyde content | 95.0% – 96% |
| pH (70% solution) | 5–7 (10% solution) |
| Density (g/cm³) | 0.8 – 0.9 |
| Melting point | 120 – 170 °C |
| Shelf life at 30–45 °C | 24 months |
Powder: ABNOOS-PARAFORMALDEHYDE
25 kg polyethylene bags
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Original packing (PP/PE)
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