Dow SE SLR-4601 Solution polymerized Styrene Butadiene Rubber (S-SBR)

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Dow SE SLR-4601 Solution polymerized Styrene Butadiene Rubber (S-SBR)
Categories:	Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)
Material Notes:	SE SLR-4601 is manufactured by anionic solution polymerization using lithium initiator. It is a product with medium styrene and high vinyl content. The product is partially Sn-coupled and chemically modified. A non-staining stabilizer is added during the production process. SE SLR-4601 is widely used in the tire industry where an excellent balance between wet grip and rolling resistance is required. The material can also be used to manufacture high quality technical rubber articles. It is supplied in bales weighing 25 kg. Bales are wrapped in 50 micron PE film. At mixing temperatures above 110°C, the rubber can be processed with the packaging film. Information provided by Dow
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Physical Properties	Metric	English	Comments

Viscosity Measurement	1.9 @Temperature 160 °C	1.9 @Temperature 320 °F	[dNm]; ML, (0.5 RAD); ASTM D5289
	4.5 @Temperature 160 °C	4.5 @Temperature 320 °F	[min]; ts1, (0.5 RAD); ASTM D5289
	6.5 @Temperature 160 °C	6.5 @Temperature 320 °F	[min]; T50, (0.5 RAD); ASTM D5289
	12 @Temperature 160 °C	12 @Temperature 320 °F	[min]; T90, (0.5 RAD); ASTM D5289
	16.9 @Temperature 160 °C	16.9 @Temperature 320 °F	[dNm]; MH, (0.5 RAD); ASTM D5289
Mooney Viscosity	50 @Temperature 100 °C	50 @Temperature 212 °F	[MU]; ML 1+4, massed sample; ASTM D1646
Vinyl Acetate Content	63 %	63 %	FTIR, internal method
Collected Volatile Condensable Material	0.15 %	0.15 %	ASTM D5668
Storage Temperature	<= 30.0 °C	<= 86.0 °F

Chemical Properties	Metric	English	Comments
Styrene Content	21 %	21 %	FTIR, internal method

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	61.5 @Thickness 12.5 mm	61.5 @Thickness 0.492 in	(25 min / 160°C); ASTM D2240
Tensile Strength, Ultimate	19.0 MPa	2760 psi	Die C (35 min / 145°C); ASTM D412
Tensile Stress at Strain	15.0 MPa @Strain 300 %	2180 psi @Strain 300 %	ASTM D412
Elongation at Break	350 %	350 %	ASTM D412
Rebound	24.5 % @Thickness 12.5 mm	24.5 % @Thickness 0.492 in	Schob pendulum, (25 min / 160°C); ISO 4662

Thermal Properties	Metric	English	Comments
Vicat Softening Point	92.2 °C	198 °F
Glass Transition Temp, Tg	-25.0 °C	-13.0 °F	HR 10 K/min; half height; DSC

Processing Properties	Metric	English	Comments
Shelf Life	>= 12.0 Month	>= 12.0 Month

Descriptive Properties
Accelerator (CBS) wt%	1
Aromatic Oil wt%	5
Carbon Black wt%	50		; IRB 7
Stearic Acid wt%	1.5
Sulfur content, %	1.75
Zinc Oxide wt%	3

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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PDOW1102 / 30306

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