BroShield® RB4 is a reactive halogenated flame retardant containing 68% bromine for unsaturated polyester applications.
BroShield® RB4 is a white crystalline powder containing 68% bromine. This grade is primarily used to produce unsaturated polyester resins and slow fire propagation.
Form: Powder
Color: Off-white
CAS number: 632-79-1
Bromine content: 67% to 68%
Melting point: ≥ 270 °C
Moisture: ≥ 0.20%
Specific gravity: 2.90
Primary Chemistry: Tetrabromophthalic anhydride
High bromine content
High purity
Flame retardant properties for unsaturated polyester resins
Availability of high-purity and reactivity flame retardants
High loading rate of commercially available brominated fire retardants
Lack of prevention or the spread of fire in various manufactured materials
Rigid foam
Wire coatings
Wool and textiles
Marine
Building and Cconstruction
Wind Eenergy
Automotive
Sheet molding compounds
Glass fiber reinforced plastics
Flame retardants are used as reactive chemical additives in combustible polymers to prevent, delay, or slow the growth of a fire.
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