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BroShield® 59-B is a brominated, aromatic flame retardant for thermoplastic and thermoset resins.
BroShield® 59-B is a brominated flame retardant used in thermoplastic and thermoset resin systems. BroShield® 59-B has very good structural compatibility making it suitable for use in epoxy resin systems. The high purity of 59-B makes it an effective reactive flame retardant for polycarbonates and an additive for styrenic thermoplastics, such as ABS and high-impact polystyrene.
Color: White
Form: Powder
Bromine content: ≥58%
Water content, %: ≤0.1%
Color, APHA: 50 maximum
Melting point, ºC: ≥180ºC
CAS number: 79-94-7
Specific gravity, g/mL @ 25°C: 2.2
Primary Chemistry: Tetrabromobisphenol A
High purity
Very good structural compatibility
High bromine content
Good thermal stability
Compatibility and effectiveness of flame and fire retardants in polycarbonates and styrenic formulations
High loading rate and increased cost of low-content brominated fire retardants
Epoxy resin systems
Thermoplastics
Thermoset resins
High-impact polystyrene
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