Tetrabromophthalic anhydride diol
chemical name:Tetrabromophthalic anhydride diol
Brand name:RK-628
Similar product name:PHT-4 Diol
CAS Number: 77098-07-8
EU CAS Number: 20566-35-2
Molecular formula:C15H16O7Br4
Molecular Weight: 627.8
Product usage:
RK-628 is a reaction mainly used for flame retardant rigid foam Type I flame retardant intermediate, the appearance is slightly faded viscous liquid, mainly used as a reactive flame retardant for the production of I and II grade polyurethane rigid foam (PUR). The foam material containing RK-628 has very low smoke generation and flame spread speed. The foam material processed by RK-628 can obtain excellent physical properties and low cost. It can also be used to produce flame retardant polyurethane gaskets. body materials, coating adhesives and textiles.
Specifications:
|
items |
Metrics |
Test results |
|
Appearance |
Amber liquid |
Amber liquid |
|
Bromo content % |
45 min |
45.58 |
|
Acid value mgKOH/g |
1.0 max |
0.25 |
|
Hydroxy number mgKOH/g |
130-235 |
221 |
|
Viscosity cps at 25 ℃ |
30,000-80,000 |
35,500 |
|
Moisture% |
0.1 max |
0.06 |
Packing: RK-628 is packed in 200L galvanized iron drum, 300kg /bucket or ibc
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