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Formaldehyde |
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Hexamine |
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Paraformaldehyde |
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PARAFORMALDEHYDE
MANUFACTURING PROGRESS
Paraformaldehyde is manufactured from aqueous Formaldehyde solution by the process involving distillation and concentration to a point at which solidification or precipitation of polymer takes place. The process of concentration is carried out under vaccum by using the process of thin film evaporation.
nCH2O ___(CH2O)n
in which the value of n ranges from 8 - 100.
SPECIFICATION
| Aldehyde
Content (as HCHO)% by mass |
95% (Min.) |
| Ash (Max.) | 95 PPM |
| Free
Moisture content (Max.) % by mass |
1.00% |
| Acidity (as HcooH) % by mass (Max.) | 0.02% |
| PH | 4.5 |
| Melting Point | 120° C - 170° C |
| Iron content | 20 PPM |
| Solubility | Test Passes |
| Reactivity | 2.2 minutes |
| Granulometry | Prill / Powder |
| Physical Prosperities | |
| Appearance | White - Prill / Powder |
| Odour | Pungent |