Original
By certification 
Use
Our company is mainly engaged in Brominated Epoxy Oligomer-CR-225K. CR-225K is a high molecular weight brominated epoxy polymer flame retardant. It is recommended for PBT, PET and PC/ABS applications. Because of its polymer properties and chemical structure, CR-225K has the following characteristics:
* High thermal stability and thermal aging
* Excellent processability
* No appearance of frost precipitation
* High UV stability
* Non-corrosive
Appearance
White powder to yellowish granules
Typical characteristics
Bromine content, % |
53% |
Proportion |
1.6 |
Molecular weight |
20000 |
Melting temperature range |
135-145℃ |
Color (10% dioxane, APHA) |
150 max |
Solubility
Solvent |
Dissolution |
Insoluble |
DMF (dimethylformamide) |
****** |
|
Dioxane |
****** |
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Alcohol |
****** |
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MEK (methyl ethyl ketone) |
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|
MIBK |
****** |
|
Xylene |
****** |
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Water |
****** |
Storage and disposal: Inhalation, swallowing and contact with skin and eyes should be avoided.
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