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	Metric	English	Comments

Density	0.930 g/cc	0.0336 lb/in³
Volatiles	0.30 %	0.30 %	1 hr at 105°C in a hot air oven, 5 g sample; ASTM D5668
Mooney Viscosity	50.2 @Temperature 100 °C	50.2 @Temperature 212 °F	MU, ML 1+4; ASTM D1646
Ash	0.030 %	0.030 %	ASTM D5667

Chemical Properties	Metric	English	Comments
Styrene Content	23.6 %	23.6 %	Bound; ASTM D5775

Mechanical Properties	Metric	English	Comments
Tensile Strength at Break	27.8 MPa	4030 psi	Cure: 45 min at 145°C; ASTM D412
Elongation at Break	430 %	430 %	ASTM D412
300% Modulus	18.0 MPa @Strain 300 %	2610 psi @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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