Flame Retardant/Synergist used in conjunction with brominated or Chlorinated compounds to reduce flammability.
FireGard ATO is Antimony Trioxide that is used as a fire retardant in the presence of a halogen source. In PVC compounds it can be used as the primary FR without the need for a halogen based flame retardant. In other polymers that do not contain halogen, a chlorinated or brominated compound must be added to obtain flame retardancy.
Antimony Trioxide (ATO) does not melt or vaporize during normal use and will not form vapors unless heated to extremely high temperatures.
FireGard ATO is suitable for applications where a high tint is acceptable.
Appearance: Fine white powder
Specific gravity: 5.5
Average particle size: 0.8 to 1.3 microns
Sieve residue < 325 mesh: ≤0.10%
Antimony Trioxide: 99.8% min
Arsenic: 0.10% max
Lead: 0.10% max
Iron: 0.004% max
Primary Chemistry: Antimony Trioxide (ATO) - Sb2O3
Low cost
Low impurities
Fine particle size
Stand-alone antimony flame retardant for PVC formulations
Melting and vaporization issues with the use of non-antimony fire retardants
Coatings
Adhesives
Ceramics
Catalyst for PET manufacture
Frictional additive in automotive brake linings
Clarifier for glass
Opacifier for enamels
Coating for titanium dioxide
Flame retardants are reactive chemicals used as additives in combustible polymers to prevent, delay, or slow down combustion.
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