| Category | Polymer , Thermoplastic , Elastomer, TPE , Thermoplastic Vulcanizate Elastomer (TPV) | 
| Manufacturer | Exxon Chemical | 
| Trade Name | Santoprene® | 
| Port | Shanghai port,China | 
| Trade Terms | FOB, CFR, CIF | 
| Payment Terms | L/C, T/T, Western Union | 
| Download PDF | ExxonMobil Santoprene® 8211-55 Thermoplastic Elastomer.pdf  | 
          
| Price | EMAIL US sales@lookpolymers.com | 
| Physical Properties | Metric | English | Comments | 
|---|---|---|---|
| Specific Gravity | 0.930 g/cc | 0.930 g/cc | 23°C; ASTM D792 | 
| Mechanical Properties | Metric | English | Comments | 
|---|---|---|---|
| Hardness, Shore A | 59 | 59 | 2 mm, 15 sec; ISO 868 | 
| 60 | 60 | Air at 302°F, 168 hr; ASTM D573 | |
| Tensile Strength at Break | 4.093 MPa | 593.6 psi | Air at 302°F, 168 hr; ASTM D573 | 
| 4.60 MPa | 667 psi | Across Flow; ASTM D412 | |
| Tensile Stress |           2.10           MPa           @Strain 100 %  | 
                  305           psi           @Strain 100 %  | 
        Across Flow; ASTM D412 | 
| Elongation at Break | 432 % | 432 % | Air at 302°F, 168 hr; ASTM D573 | 
| 480 % | 480 % | Across Flow; ASTM D412 | |
| Compression Set | 19 % | 19 % | 158°F, 22 hr; ASTM D395 | 
| 49 % | 49 % | 257°F, 70 hr; ASTM D395 | 
| Thermal Properties | Metric | English | Comments | 
|---|---|---|---|
| Brittleness Temperature | -62.2 °C | -80.0 °F | ASTM D746 | 
| UL RTI, Electrical | 100 °C | 212 °F | UL 746 | 
| UL RTI, Mechanical with Impact |           90.0           °C           @Thickness 1.10 mm  | 
                  194           °F           @Thickness 0.0433 in  | 
        UL 746 | 
|           95.0           °C           @Thickness 3.00 mm  | 
                  203           °F           @Thickness 0.118 in  | 
        UL 746 | |
| Flammability, UL94 |           HB                     @Thickness 1.10 mm  | 
                  HB                     @Thickness 0.0433 in  | 
        |
|           HB                     @Thickness 3.00 mm  | 
                  HB                     @Thickness 0.118 in  | 
        
| Processing Properties | Metric | English | Comments | 
|---|---|---|---|
| Processing Temperature | 175 - 230 °C | 347 - 446 °F | |
| Rear Barrel Temperature | 177 - 191 °C | 351 - 376 °F | |
| Middle Barrel Temperature | 179 - 193 °C | 354 - 379 °F | |
| Front Barrel Temperature | 185 - 199 °C | 365 - 390 °F | |
| Nozzle Temperature | 185 - 210 °C | 365 - 410 °F | |
| Melt Temperature | 143 - 216 °C | 289 - 421 °F | Processing | 
| Mold Temperature | 10.0 - 51.7 °C | 50.0 - 125 °F | Processing | 
| Moisture Content | 0.080 % | 0.080 % | |
| Back Pressure | 0.345 - 0.689 MPa | 50.0 - 100 psi | |
| Clamp Pressure | 41.4 - 68.9 MPa | 6000 - 10000 psi | |
| Vent Depth | 0.00254 cm | 0.00100 in | |
| Cushion | 0.317 - 0.635 cm | 0.125 - 0.250 in | |
| Screw Speed | 100 - 200 rpm | 100 - 200 rpm | 
| Descriptive Properties | Value | Comments | 
|---|---|---|
| Color | Natural Color | |
| Form | Pellets | |
| Injection Rate | Fast | |
| Maximum Regrind % | 20 | |
| Screw Compression Ratio | 2:1 - 2.5:1 | |
| Screw L/D Ratio | 16:1 - 20:1 |