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| Exxon Butyl 268 |
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| Isobutylene-isoprsne elastomer |
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Exxon Butyl is a copolymer of isobutylene and isoprene.
The product has a characteristic specific gravity of 0.92. The product form is white to light amber bales. |
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Mooney viscosity ML 1+ 8 (125'C) 51 ± 5
Antioxidant (non-staining) wt%: 0.03 min
Volatiles wt%: 0.3 max
MH dN.m: 82.0 ± 6.0
ML dN.m: 16.0 ± 4.5
ts2 mins: 3.0 ± 1.5
t'50 mins: 8.0 ± 3.0
t'90 mins: 25.0 ± 4.0 |
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