Antimony trioxide, Sb2O3

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CAS 1309-64-4
Structure Antimony trioxide, Sb2O3
Molecular Weight 291.5
Molecular Formula Sb2O3
Application Sb2O3 is used as a fire retardant in rubber, plastics, wire & cable, and other composites. It must be used in conjunction with a halogen source, for example, a brominated flame retardant.
Bulk Density 99.5% 99.8% 99.9% available
Content PbO 0.026% Max.
Fe2O3 0.006% Max.
As2O3 0.05% Max.
CuO 0.001% Max.
Packaging 25kg
Particle Size 0.90 – 1.60 µm
Specific Gravity 5.20 g/cm³
Whiteness 93.0% Min.

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