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Tetrabromophthalic Anhydride (TBPTA/PHT-4/TBPA）
Tetraphenic anhydride can be used as a flame retardant of polyester resin and epoxy resin.
Appearance: White powder or granular
Bromine content: ≥67%
Melting point: ≥270℃
Sulphate: ≤0.3%
Volatatile: ≤0.2%
| Quality Standard | |
| Appearance | White powder or granular |
| Bromine content | ≥67% |
| Melting point | ≥270℃ |
| Sulphate | ≤0.3% |
| Volatatile | ≤0.2% |
Tetrabromophthalic anhydride is an important flame retardant. It has a wide range of applications. As a reactive flame retardant, it can be used for polyester, unsaturated polyester, epoxy resin and other flame retardant.
As an additive flame retardant, in combination with antimony trioxide, it can be applied to polystyrene, polypropylene, polyethylene and ABS resins.
In addition, it can also be used for rubber conveyor belt covering rubber, track shock absorber flame retardant rubber and other rubber products.
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