Products  >>  Brominated Flame Retardant  >>  FARETARTM B-58

Product description

FARETAR­TM B-58 is a bromine containing oligomer with high bromine content (Compared with FARETARTM B-52), which not only has high flame retardant effect, but also does not affect the comprehensive properties of end products.


Molecular Structure
Chemical Name 2,4,6-Tribromophenyl-terminated tetrabromobisphenol-A carbonate oligomer
Formula (C7H2Br3O2)·(C16H10Br4O3)n·(C6H2Br3O)
CAS Number 71342-77-3
Molecular Weight oligomer
Bromine content (theoretical), % 58
Appearance White Powder
Specific gravity, g/cm3 2.2


Comparable Grade

Chemture BC-58




Excellent thermal stability

Good UV stability

Excellent electrical performance

No influence on finished products color

No influence on finished products comprehensive properties




FARETARTM B-58 flame retardant has excellent comprehensive performance and can be widely used in PBT, PET, PBT/PET blends, PC, ABS, ABS/PC blends, Polysulfone and SAN;

It can be applied to the formulation of UV resistant substrate due to its good UV stability, 

It can also be used in engineering plastics such as PBT owing to its little effect on products chromaticity, impact strength, thermal stability and other properties.

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