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Amatrium Materials AI
Dynasol CalpreneĀ® 248 Medium CIS Polybutadiene (38%)
Categories: Polymer; Thermoset

Material Notes: Calprene 248 is a medium CIS polybutadiene (38 %), polymerized in solution. This product has an excellent mixing and processing behavior. It is used as ingredient in tire compounds and in other applications where good performance at low temperatures, excellent abrasion resistance, low heat build-up and good dynamic fatigue resistance are needed. It is packed in bales wrapped in low melting point polyethylene film.


  • Tires
  • Mechanical rubber goods
  • Plastic modifications
  • Blends with other polymers

Compound Test Recipe: ISO-2476 (A). IBR #7

Information provided by Dynasol.

Available Properties
  • Mooney Viscosity, ASTM D1646, Compounded, ML 1+4
  • Mooney Viscosity, ASTM D1646, ML 1+4
  • Ash, ASTM D5667
  • Collected Volatile Condensable Material, ASTM D5668
  • Tensile Strength at Break, ISO 37, Compounded, 35 mins.
  • 300% Modulus, ISO 37, Compounded, 35 mins.
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