Major components are BDE-99 ( 2,2',4,4',5 - pentabromodiphenyl ether ) and BDE-47 ( 2,2',4,4 ' - tetrabromodiphenyl ether ) Synonyms/abbreviations : Pentabromodiphenyl ether ( PeBDPE and PentaBDPE ) , Pentabromodiphenyl oxide = PeBDPO = PentaBDPO Trade names : Bromkal 70 , Bromkal 70 DE , Bromkal 70 5DE , Bromkal G1 , Great Lakes DE 71 , Great Lakes DE-60 F ( 85 % PeBDE ) , FR 1205/1215 , Pentabromprop , Saytex 115 , Tardex 50 .