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Dow SE BR-1220L Stereospecific high cis-1,4 Polybutadiene (BR)

 

Subcategory: Elastomer, TS; Thermoset

Material Notes:
SE BR-1220L is manufactured by a solution process using cobalt catalyst which produces polymers with a very light color and low ash content. A non-staining stabilizer is added during the production process. BR-1220L is suitable for tires, conveyor belting, footwear and mechanical goods. It offers a unique property combination of good abrasion resistance, particularly at high severity, excellent groove crack resistance and good heat aging.

Other features include high resilience, low hysteresis, good set properties and a low glass transition point which results in better low temperature performance. BR-1220L is able to accept high filler and oil loadings without significant loss of properties. It may be blended with natural rubber and styrene butadiene (SBR), isoprene (IR), nitrile (NBR), or polychloroprene (CR) synthetic rubbers. BR-1220L is supplied in bales weighing ca. 34 kg. Bales are wrapped in 50 micron PE or EVA film.

Information provided by Dow

Available Properties
  • Viscosity Measurement
  • Mooney Viscosity
  • Ash
  • Collected Volatile Condensable Material
  • Storage Temperature
  • Tensile Strength, Ultimate
  • Tensile Strength, Yield
  • Elongation at Break
  • Shelf Life
  • Accelerator (TBBS) wt%
  • Carbon Black wt%
  • Cis-1,4 Content %
  • Dry Gel Content mg/kg
  • Naphthenic oil type 103 wt%
  • Stearic Acid wt%
  • Sulfur content, %
  • Zinc Oxide wt%
   
Property Data

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