| As EXXON Bromobutyl has the predominantly saturated backbone of butyl, it has many of the attributes of the butyl molecule:
- Low permeability to air, gases and moisture
- Vibration damping
- Low glass transition temperature
- Resistance to ageing and to weathering from atmospheric exposure
- Wide vulcanization versatility
- Fast cure rates
- Processing safety: no nitrosamines or nitrosamines precursors
ExxonMobil Chemical offers a range of polymer viscosities and cure responses, reflecting adjustments in functionality and additives content. EXXON Bromobutyl is structurally similar to EXXON Chlorobutyl.
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Grade
| Mooney Viscosity | Cure Rate | Product Specifications | MSDS, US Only | | Exxon Bromobutyl | | | 2211 | Low | Fast |  | | | 2222 | Low | Regular | | | | 2235 | Medium | Regular | | | | 2244 | High | Fast | | | | 2255 | High | Regular | | |
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