Dimethyl 5-sulfoisophthalate sodium salt hydrate(SIPM)
T white powder , soluble in water and alcohol. As the most used dyeing property modifier of polyesters
Specification | High Quality | First Grade |
Appearance | white powder without visible impurities | |
Acid Value (mgKOH/g) | ≤0.3 | ≤O.5 |
Saponification Value (mgKOH/g) | 378± 2 | 378±3 |
Sulfate ion (ppm) | ≤100 | ≤150 |
Water ( wt% ) | ≤O.3 | ≤0.4 |
Ferrum (ppm) | ≤4 | ≤5 |
Absorbance (ABS) | ≤O.05 | ≤0.08 |
Chloride ion (ppm) | ≤8 | ≤10 |
Package: Complex package with inner brown paper, 25 kg/ pack and 500 kg/ pack, or can be packaged upon | ||
Dimethyl 5-sulfoisophthalate sodium salt hydrate(SIPM)
