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Master Bond adhesives
ExxonMobil Exxon™ Bromobutyl 2211 Rubber
Categories: Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)

Material Notes: White to amber bales.  Fast cure rate grade.

Exxon™ bromobutyl rubber is derived from halogenating butyl rubber with bromine in a continuous process. It is structurally similar to Exxon™ chlorobutyl rubber and produced through the same halogenation process. Bromobutyl rubber grade slate offers a range of polymer viscosities and cure responses, reflecting adjustments in functionality and additives content. Compared with regular butyl rubber, Exxon bromobutyl rubber provides faster and more stable cure through carbon-carbon linking.  Benefits: Low permeability to air, gases and moisture, Low glass transition temperature similar to regular butyl, Wide vulcanization versatility, Fast cure rates, Processing safety: no nitrosamines or nitrosamines precursors.  Exxon bromobutyl rubber is a copolymer of isobutylene and isoprene.

Information provided by ExxonMobil.

Vendors:
Available Properties
  • Density
  • Mooney Viscosity, ASTM D1646, ML 1+8. MV 200 or equivalent
  • Bromine, Br, ExxonMobil Method, functional
  • Calcium, Ca, ExxonMobil Method
  • H2O, Water, ExxonMobil Method
  
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Manufacturer Notes:
Exxon Chemical

Category Notes
Plastic

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