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ExxonMobil Exxon™ 2255 Regular Cure Rate Grade

Category Polymer , Thermoset , Rubber or Thermoset Elastomer (TSE)
Manufacturer Exxon Chemical
Trade Name Exxon™
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF ExxonMobil Exxon™ 2255 Regular Cure Rate Grade.pdf
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Material Notes:
Exxon Bromobutyl is a brominated copolymer of isobutylene and isoprene.The product form is white to light amber bales.Information provided by ExxonMobil Chemical
Physical Properties Metric English Comments
Specific Gravity 0.930 g/cc
0.930 g/cc
Mooney Viscosity 41 - 51

@Temperature 125 °C
 41 - 51

@Temperature 257 °F
 ML 1 + 8; ASTM D1646
46

@Temperature 125 °C
 46

@Temperature 257 °F
 ML 1 + 8, Target; ASTM D1646
Maximum Moisture Content 0.30
0.30
Component Elements Properties Metric English Comments
Calcium, Ca 0.15 %
0.15 %
Target
0.12 - 0.18 %
0.12 - 0.18 %
Processing Properties Metric English Comments
Cure Time 1.50 - 6.50 min
0.0250 - 0.108 hour
ts2; ASTM D2084
4.00 min
0.0667 hour
ts2, Target; ASTM D2084
7.50 min
0.125 hour
t`50, Target; ASTM D2084
4.50 - 10.5 min
0.0750 - 0.175 hour
t`50; ASTM D2084
10.0 min
0.167 hour
t`90, Target; ASTM D2084
6.00 - 14.0 min
0.100 - 0.233 hour
t`90; ASTM D2084
Descriptive Properties Value Comments
Antioxidant 0.02-0.12%
non-staining
Bromine 0.93-1.13%
1.03%
cure MH 37-51 dN.m
44 dN.m
Target
cure ML 14.5-23.5 dN.m
19 dN.m
Target
stabilizer (epoxidized soybean oil) 1.3 ± 0.3 %
1.3%
Target
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