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Tetrabromophthalic Anhydride
Product name Tetrabromophthalic Anhydride
Equivalent Grade: PHT-4
CAS NO. 632-79-1
Molecular formula C8Br4O3
Molecular weight 463.7
Structure type
Application:

As a reaction burning-resistant agent, PHT-4 is used for polyester, unsaturated polyester, epoxy resin. As additive burning-resistant agent, PHT-4 can be used for polystyrene, polypropylene, and ABC resin, with antimony trioxide and other engineering plastics and synthetic materials and composing of fine chemical substance.

Technical data sheet

Item

Specification

Analysis result

Appearance

White or yellowish powder

White powder

Bromine content %

68min

68.9

Melting point °C

270min

274

Sulphate %

0.3max

0.12

Moisture %

0.2max

0.1

Packing PHT-4 was packed in 25kg paper bag, 40 bags on pallet, Or Jumbo bag, total 20Mt per 20FCL.





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