Antimony Trioxide Sb2O3 is a white powder flame retardant and additive used in plastics like PVC, PP, and PE. It has high flame retarding ability while having less influence on the mechanical properties of base materials. It is also used as a filler and flame retardant in rubber, and as a covering agent and whitening agent in enameled and ceramic products. It has a molecular weight of 291.5 g/mole and is packaged in 25kg bags made of kraft paper with a polyethylene inner lining.
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[YUXING]Antimony Trioxide Sb2O3 Datasheet
1. Antimony Trioxide Sb2O3 CAS No. 1309-64-4
Application:
Widely used in PVC, PP, PE, PS, ABS, PU, PA, coating, synthetic resin, synthetic fiber as flame retardant and additives, high flame retarding
ability, less influence on mechanical properties of base material. Used in rubber industry as filler and flame retardant; used in enameled and
ceramic products as covering agent and whitening agent; used as catalyst for organic synthesis.
Packing: 25kgs/bag, packed in kraft paper bag with PE inner.
Molecular Weight g/mole 291.5 Appearance White Powder
Relative Density g/cm3 5.67 Specific Gravity g/cm3 5.2
Dehydration Temperature 656 Boiling Point 1425
Composition AAA+ AAA AA A+ A C
Sb2O3 % 99.90 99.85 99.80 99.70 99.50 85.0
PbO % 0.02 0.03 0.05 0.10 0.12 3
As2O3 % 0.02 0.03 0.04 0.05 0.06 10
CuO % 0.002 0.002 0.002 0.002 0.002
Fe2O3 % 0.002 0.002 0.004 0.005 0.006
Se % 0.002 0.002 0.004 0.005 0.005
Cd 5 ppm 5 ppm 5 ppm 5 ppm
Hg 2 ppm 2 ppm 2 ppm 2 ppm
Cr+6 2 ppm 2 ppm 2 ppm 2 ppm
A.P.S 亮m 0.8 0.8 0.8 0.8 0.8 2.0
Whiteness % 97 97 97 96 93 92