Great Lakes DE-71 Pentabromodiphenyl oxide 32534-81-9 Great Lakes Flame and Smoke Retardants >> Bromine based Epoxy (EP) Polyesters PU - Prepolymers ADHESIVE Great Lakes DE-71™ Halogenated Flame Retardant Great Lakes DE-71 is a high viscosity liquid flame retardant containing 71% aromatic bromine. Great Lakes DE-71 is recommended as an additive flame retardant for unsaturated polyester, rigid and flexible polyurethane foam, epoxies, laminates, adhesives, and coatings. Great Lakes DE-71 is readily soluble in styrene, polyols, isocyanates, methylene chloride, and phosphates. High viscosity liquid flame retardant containing aromatic bromine. Used in adhesives and for saturated polyester, rigid and flexible polyurethane foam and epoxies.