Dynasol Calprene® 1204B Solution Random SBR

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Dynasol Calprene® 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. Applications: Tires Footwear Mechanical rubber goods Compound Test Recipe: ISO-2322 (A) Information provided by Dynasol.
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Physical Properties	Metric	English	Comments

Mooney Viscosity	120	120	Compounded, ML 1+4; ASTM D1646
	55 @Temperature 100 °C	55 @Temperature 212 °F	ML 1+4; ASTM D1646
Ash	<= 0.20 %	<= 0.20 %	ASTM D5667
Collected Volatile Condensable Material	0.70 %	0.70 %	ASTM D5668

Mechanical Properties	Metric	English	Comments
Tensile Strength at Break	23.0 MPa	3340 psi	Compounded, 35 mins.; ISO 37
Elongation at Break	500 %	500 %	Compounded, 35 mins.; ISO 37
300% Modulus	15.0 MPa @Strain 300 %	2180 psi @Strain 300 %	Compounded, 35 mins.; ISO 37

Descriptive Properties
Hunterlab Color	3		ASTM D1925-70
Total Styrene (on polymer)	25 %		ASTM D5775

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PDYNA12 / 34760

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