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ExxonMobil Exxon™ 4266 Star-Branched Butyl
| Category | Polymer , Thermoset , Rubber or Thermoset Elastomer (TSE) |
| Manufacturer | Exxon Chemical |
| Trade Name | Exxon™ |
| Port | Shanghai port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | ExxonMobil Exxon™ 4266 Star-Branched Butyl.pdf  |
| Price | EMAIL US sales@lookpolymers.com |
Material Notes:
Exxon SB Butyl is a copolymer of isobutylene and isoprene, including a styrene block copolymer branching agent.Information provided by ExxonMobil Chemical
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Specific Gravity | 0.920 g/cc | 0.920 g/cc | |
| Mooney Viscosity | 34 - 44 @Temperature 125 °C |
34 - 44 @Temperature 257 °F |
ML 1 + 8; ASTM D1646 |
| Processing Properties | Metric | English | Comments |
|---|---|---|---|
| Cure Time | 2.50 - 5.50 min | 0.0417 - 0.0917 hour | ts2; ASTM D2084 |
| 6.00 - 12.0 min | 0.100 - 0.200 hour | t`50; ASTM D2084 | |
| 21.0 - 29.0 min | 0.350 - 0.483 hour | t`90; ASTM D2084 |
| Descriptive Properties | Value | Comments |
|---|---|---|
| Anti oxidant | >.05% | wt % |
| cure MH | 69 ± 6 | dN.m |
| cure ML | 11.5 ± 4.5 | dN.m |
| Water | <.3% | wt % |
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