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Styron Sprintan® SLR 6430 Solution Styrene Butadiene Rubber (S-SBR)

Category Polymer , Thermoset , Rubber or Thermoset Elastomer (TSE) , Styrene Butadiene Rubber
Manufacturer Styron
Trade Name Sprintan®
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Styron Sprintan® SLR 6430 Solution Styrene Butadiene Rubber (S-SBR).pdf
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Material Notes:
Composition: SPRINTAN® SLR-6430 – Schkopau is manufactured by anionic solution polymerization using an organo-lithium initiator. In relation to solid rubber the grade is extended with 37.5 parts of TDAE oil which complies with the EU Directive 2005/69/EC for use in tyre application. The product has a high styrene/medium vinyl micro structure and a typical glass transition temperature of -36°C. SPRINTAN® SLR-6430 – Schkopau is partially Si-coupled and contains a non-staining stabilizer.Application: SPRINTAN® SLR-6430 – Schkopau provides high wet grip, improved wear & handling properties combined with excellent low rolling resistance for high performance tyre treads. The product can also be used in high-quality technical rubber articles. Test Formulation (based on IRB7 black):Polymer – 137.5 parts by massStearic Acid - 1.0 parts by massZinc Oxide - 3.00 parts by massCarbon Black IRB 7 – 68.75 parts by mass Sulphur - 1.75 parts by massAccelerator (CBS) - 1.38 parts by massStearic Acid – 1.0 parts by massInformation provided by Styron
Physical Properties Metric English Comments
Density 0.950 g/cc
0.0343 lb/in³
Volatiles 0.40 %

@Treatment Temp. 105 °C,
Time 3600 sec
0.40 %

@Treatment Temp. 221 °F,
Time 1.00 hour
5 g in hot air oven; ASTM D5668
Mooney Viscosity 67

@Temperature 100 °C
67

@Temperature 212 °F
[MU] ML 1+4; ASTM D1646
Ash 0.050 %
0.050 %
ASTM D5667
Mechanical Properties Metric English Comments
Hardness, Shore A 57
57
ASTM D2240
Tensile Strength at Break 21.3 MPa

@Treatment Temp. 145 °C,
Time 2100 sec
3090 psi

@Treatment Temp. 293 °F,
Time 0.583 hour
Cure; ASTM D412
Elongation at Break 520 %
520 %
ASTM D412
300% Modulus 0.0113 GPa
1.64 ksi
ASTM D412
Rebound 27 %
27 %
Resilience; ISO 4662
Thermal Properties Metric English Comments
Glass Transition Temp, Tg -36.0 °C
-32.8 °F
HR 10 K/min, half height
Chemical Properties Metric English Comments
Styrene Content 40 %
40 %
Bound; ASTM D5775
Descriptive Properties Value Comments
Composition 0.24
Vinyl content
0.282
Total Extractables; ASTM D5774
Rheometer 10.1 min
t<sub>c</sub> (50), ASTM D5289
15.1 min
t<sub>c</sub> (90), ASTM D5289
16.1 dNm
MH, ASTM D5289
4.0 dNm
ML, ASTM D5289
7.9 min
t<sub>s</sub>2, test temperature 160°C; ASTM D5289
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