Products
Antimony trioxide — catalyst grade
Polycondensation catalyst for PET resin, polyester fibre and BOPET film.
Use and qualification
It is selected for catalytic activity, colour control and impurity control suited to the application.
Technical specification confirmed by the manufacturer
- Grade 999 · Sb2O3 ≥99.90% · Sb2O5 ≤0.08% · Melting point 655 °C
- Whiteness ≥98% · b' colour value ≤0.5
- Average particle size 0.4–1.4 μm (FSSS)
- As ≤0.004% · Pb ≤0.005% · Cd ≤0.0005% · Bi ≤0.001%
- CAS 1309-64-4
Packaging
25 kg multi-layer paper-plastic bags, or 1000 kg big bags, palletized and wrapped with PE film.
Manufacturer's technical data sheet and safety data sheet available on request.
Documentation and quotation
State product, grade, application, estimated volume and destination country. Upperline will coordinate the available information and the corresponding commercial follow-up.
Request a quoteRelated questions
- What is antimony trioxide used for in PET production?
- How much antimony catalyst is used per ton of PET?
- Why is antimony trioxide dissolved in ethylene glycol before it enters the reactor?
- What advantage does ethylene glycol antimonate have over powdered trioxide?
- Are there alternatives to antimony as a PET catalyst?