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Amatrium Materials AI
Dynasol CalpreneĀ® 1204B Solution Random SBR
Categories: Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)

Material Notes: Calprene 1204B is a 75/25 Butadiene/Styrene Copolymer, polymerized in solution. It has a random structure with a typical vinyl content of 30%. It is presented in bales wrapped in low melting point polyethylene film.


  • Tires
  • Footwear
  • Mechanical rubber goods

Compound Test Recipe: ISO-2322 (A)

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.
  • Elongation at Break, ISO 37, Compounded, 35 mins.
  • 300% Modulus, ISO 37, Compounded, 35 mins.
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