Trinseo BUNA™ SB 1500-SCHKOPAU Cold Polymerised Emulsion Styrene Butadiene Rubber (E-SBR)

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Trinseo BUNA™ SB 1500-SCHKOPAU Cold Polymerised Emulsion Styrene Butadiene Rubber (E-SBR)
Categories:	Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)
Material Notes:	Composition: BUNA™ SB 1500–Schkopau is manufactured by cold polymerization using a rosin acid soap. A discoloring stabilizer is added during the production process. Application: BUNA™ SB 1500–Schkopau is a general purpose rubber. It can be processed in all sectors of the tire and rubber industry. Information provided by Trinseo.
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Physical Properties	Original Value	Comments

Density	0.930 g/cc
Volatiles	0.30 %	1 hr at 105°C in a hot air oven, 5 g sample; ASTM D5668
Mooney Viscosity	50.2 @Temperature 100 °C	MU, ML 1+4; ASTM D1646
Ash	0.030 %	ASTM D5667

Chemical Properties	Original Value	Comments
Styrene Content	23.6 %	Bound; ASTM D5775

Mechanical Properties	Original Value	Comments
Tensile Strength at Break	27.8 MPa	Cure: 45 min at 145°C; ASTM D412
Elongation at Break	430 %	ASTM D412
300% Modulus	0.0180 GPa @Strain 300 %	ASTM D412

Descriptive Properties
Organic acid	5.7 percent	ASTM D5774
Rheometer	13. min	tc(90), ASTM D5289
	2.6 dNm	ML, ASTM D5289
	21.7 dNm	MH, ASTM D5289
	3.9 min	ts2, 160°C, ASTM D5289
	7.5 min	tc(50), ASTM D5289
Test Formulation	1 Part	Stearic acid, ASTM D3185-1A
	1 Part	Accelerator (TBBS), ASTM D3185-1A
	1.75 Parts	Sulfur, ASTM D3185-1A
	100 Parts	Polymer, ASTM D3185-1A
	3 Parts	Zinc oxide, ASTM D3185-1A
	50 Parts	Carbon black IRB8, ASTM D3185-1A

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PTRINS9112 / 197582

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