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LG Chemical SBR 1721 High Acrylonitrile Polymer
| Category | Polymer , Thermoset , Rubber or Thermoset Elastomer (TSE) |
| Manufacturer | LG Chemical |
| Trade Name | |
| Port | Ningbo port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | LG Chemical SBR 1721 High Acrylonitrile Polymer.pdf  |
| Price | EMAIL US sales@lookpolymers.com |
Material Notes:
Description: SBR 1721 is an oil extended cold polymerization SBR with 37.5 parts of highly aromatic oil and styrene-butadiene copolymer of 40% bound styrene. Raw materials for this product are carefully chosen for the best physical properties. The aromatic oil and high percentage of styrene result in a good miscibility and processing behavior during extrusion and calendaring.Applications: SBR 1721 is recommended for tire applications, especially where improved wet grip properties are required, and other applications include molded and extruded mechanical goods with low resilience.CAS No: 9003-55-8Information provided by LG Chemical
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Specific Gravity | 0.970 g/cc | 0.970 g/cc | |
| Volatiles | 0.20 % | 0.20 % | |
| Mooney Viscosity | 55 @Temperature 100 °C |
55 @Temperature 212 °F |
ML 1+4 |
| Ash | 0.20 % | 0.20 % |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Tensile Strength at Break | 23.5 MPa @Temperature 145 °C, Time 2100 sec |
3410 psi @Temperature 293 °F, Time 0.583 hour |
ASTM D412 |
| Elongation at Break | 580 % @Temperature 145 °C, Time 2100 sec |
580 % @Temperature 293 °F, Time 0.583 hour |
ASTM D412 |
| 300% Modulus | 0.0108 GPa @Temperature 145 °C, Time 2100 sec |
1.56 ksi @Temperature 293 °F, Time 0.583 hour |
ASTM D412 |
| Chemical Properties | Metric | English | Comments |
|---|---|---|---|
| Styrene Content | 40 % | 40 % | Bound |
| Descriptive Properties | Value | Comments |
|---|---|---|
| Color | Dark Brown Bale | |
| Components | HAF | 68.75, ASTM D3185 |
| SBR 1721 | 137.5, ASTM D3185 | |
| Stearic Acid | 1, ASTM D3185 | |
| Sulfur | 1.75, ASTM D3185 | |
| TBBS | 1.38, ASTM D3185 | |
| ZnO | 3, ASTM D3185 | |
| Oil Analysis | 0.273 | |
| Organic Acid | 0.05 | |
| Rheometer | 15.0 min | t'90, 160°C, 1° Arc, ASTM D5289 |
| 19.0 lb-in | MH, 160°C, 1° Arc, ASTM D5289 | |
| 3.0 lb-in | ML, 160°C, 1° Arc, ASTM D5289 | |
| 4.5 min | ts1, 160°C, 1° Arc, ASTM D5289 | |
| 8.5 min | t'50, 160°C, 1° Arc, ASTM D5289 | |
| Soap | 0.001 |
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