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Sb2(OCH2CH2O)3
ETHYLENE GLYCOL ANTIMONY
Physical and chemical indices
| Premium grade | First grade | |
| Sb | 55±0.50% | 58±0.50% |
| Fe | ≤0.0015% | ≤0.0010% |
| As | ≤0.0010% | ≤0.0015% |
| Pb | ≤0.0015% | ≤0.0010% |
| Assulfide(based on SO4 2- ) | ≤0.0010% | ≤0.005% |
| Chloride(based on Cl-) | ≤0.002% | ≤0.006% |
| Solubility in glycol(20℃) | Colorless and transparent | Colorless and transparent |
| Drying loss 95℃ | 0.6% | |
| Passing rate of 20-mesh screen | 99 | |
| Appearance | white,dampish crystal | white crystal |
Use
Ethylene glycol antimony is used as a catalyst for production of polyester sheets. Outstanding in performance, it can substitute Sb2O3 and antimony acetate as the catalyst for polyester production.
Packing
Ethylene glycol antimony applies the vacuum packing with plastic bag on the inner layer and paper-plastic
compound on the outer layer in a unit net weight of 25kg.
It can also be packed In the airtight plastic barrels in a unit net weight of 25kg.
Ethylene glycol antimony should be stored and seated In dry places.
Special attention should be paid to moisture-proof. It can not be exposed in the open air.