1. obviously speeds up the condensation reaction rate
2. catalytic activity surpasses other catalysts
3. white mini-crystal
Antimony ethylene glycol:
Property: The white mini-crystal; can dissolve in the glycol; easy to absorb moisture in the air, and need to be strictly kept sealed.
Usage: Mainly used in the polyester production, such as bottle-grade, film-grade and textile chips.
Package: · The product is kept sealed in the polyethylene container, NW 20 kg;
· The product is kept vacuum in the aluminum-plastic composite bag, NW 25kg;
· Every 36 barrels are palletized according to the international standard, NW 720 kg or 40 barrels, NW 1000 kg.
Item | Superior Class Product | 1st Class Product | Qualified |
Content of Antimony % | 54-56 | 53-55 | 53-55 |
Chloride %≤ | 0.002 | 0.003 | 0.01 |
Iron %≤ | 0.001 | 0.002 | 0.003 |
Arsenic %≤ | 0.003 | 0.004 | 0.005 |
Lead %≤ | 0.002 | 0.003 | 0.004 |
Sulfate %≤ | 0.001 | 0.003 | 0.005 |
Solubility( in glycol at 20°C) | Colorless and transparent | Colorless and transparent | Colorless and transparent |
Molecular Formula: Sb2(OCH2CH2))3
Molecular Weight: 423.67
