PRODUCTS
Formaldehyde quality index
Item | Index | ||
Superior product | First-class | Qualified product | |
Density(20℃, g/cm3) | 1.075——1.114 | ||
Formaldehyde content, % | 37.0——37.4 | 36.7——37.4 | 36.5——37.4 |
Acidity(in formic acid, %) | 0.02 | 0.04 | 0.05 |
Chromaticity(Pt-Co)≤ | 10 | — | — |
Iron content, ≤ % | 0.0001 | 0.0003(in groove) | 0.0003(in groove) |
0.0010(in drum) | 0.0010(in drum) | ||
Methanol content, % | consultation between supply and requisition parties |
Formaldehyde is a kind of bulk chemical product with extensive application and simple manufacturing technique. It can be used as sanitizer, bactericide and preservative. In addition, it is also used in organic synthesis, synthetic material, coating, rubber and pesticide industry. Its derivative products are paraformaldehyde, polyformaldehyde, phenolic resin, urea formaldehyde resin, amino resin, Hexamethylenetetramine and polyhydric alcohols.