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Technical Datasheet | Supplied by GreenChemicals SPA
GC MHBr by GreenChemicals is a melamine hydrobromide flame retardant. It offers excellent light- and thermal stability. It is non-blooming and exhibits low halogen content. It is available in white powder form. GC MHBr is suitable for polyolefins.
Product Type
  • Flame Retardants / Smoke Suppressants > Brominated Compounds
  • Flame Retardants / Smoke Suppressants > Melamine Compounds
Chemical Composition
Melamine hydrobromide
CAS Number
Physical Form
Product Status
Applications/ Recommended for
Safety, regulation & environment > Flame retardancy

GC MHBr Properties


Value & Unit
Test Condition
Test Method
Bromine content
> 33 %
Decomposition temperature
> 250 °C
Particle size D90
< 10 μm

SpecialChem additionnal informations based on CAS Number : 29305-12-2

Hansen Solubility Parameters

[21, 16.2, 21.5]
[δD - Dispersion force interactions, δP - Polar force interactions, δH - Hydrogen bond force interactions]

Please note, these HSP values are estimations. It is based upon the “like seeks like” principle. It splits an ingredients interactions into three parameters; δD (Dispersion force interactions), δP (Polar forces interactions) and δH (Hydrogen bond force interactions). Hansen Solubility Parameters can help you find a wide range of products that are predicted to be compatible with GC MHBr. A practical determination of these HSP values would provide higher certainty. Learn More.

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