Chemical formula:
  Application:（C8H5.3Br2.7）n 
  This flame retardant provides outstanding   thermal stability and electrical performance. It is particularly suitable for   engineering plastic applications such as polyesters(PET,PBT,PCT)and   polyamides(nylons).It has outstanding thermal stability , it is an ideal   choice for high temperature applications such as engineering plastics . Due   to its stability , it can often be used where other flame retardants fail to   survive . Due to its polymeric structure , it is nonblooming in all   applications . Excellent electrical properties provide yet another reason to   choosethis flame retardant for demanding engineering plastic 
  applications.
  Appearance:yellowish powder
  Bromine content:66% min
  Chlorine content:1.5%max
  Melting point:260-320℃
  Soft point:220-240℃
  Volatile matter:0.2%max
  Color:gardner(10% in MCB) 3.0max