| 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® 251-80W232 Thermoplastic Elastomer.pdf |
| Price | EMAIL US sales@lookpolymers.com |
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Specific Gravity | 1.24 g/cc | 1.24 g/cc | 23°C; ASTM D792 |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Hardness, Shore A | 86 | 86 | 2 mm, 15 sec; ISO 868 |
| Tensile Strength at Break | 9.03 MPa | 1310 psi | Across Flow; ASTM D412 |
| Tensile Stress | 3.90 MPa @Strain 100 % |
566 psi @Strain 100 % |
Across Flow; ASTM D412 |
| Elongation at Break | 550 % | 550 % | Across Flow; ASTM D412 |
| Compression Set | 31 % | 31 % | 73°F, 168 hr; ASTM D395 |
| 55 % | 55 % | 212°F, 168 hr; ASTM D395 | |
| 40 % @Temperature 70.0 °C, Time 79200 sec |
40 % @Temperature 158 °F, Time 22.0 hour |
ASTM D395 |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| UL RTI, Electrical | 27.6 °C | 81.7 °F | UL 746 |
| UL RTI, Mechanical with Impact | 85.0 °C @Thickness 1.50 mm |
185 °F @Thickness 0.0591 in |
UL 746 |
| 90.0 °C @Thickness 3.00 mm |
194 °F @Thickness 0.118 in |
UL 746 | |
| Flammability, UL94 | V-0 @Thickness 1.50 mm |
V-0 @Thickness 0.0591 in |
|
| V-0 @Thickness 3.00 mm |
V-0 @Thickness 0.118 in |
||
| Oxygen Index | 27 % | 27 % | ASTM D2863 |
| Electrical Properties | Metric | English | Comments |
|---|---|---|---|
| Dielectric Strength | 700 kV/mm @Thickness 2.03 mm |
17800 kV/in @Thickness 0.0799 in |
ASTM D149 |
| Processing Properties | Metric | English | Comments |
|---|---|---|---|
| Processing Temperature | 175 - 230 °C | 347 - 446 °F | |
| Mold Temperature | 10.0 - 51.7 °C | 50.0 - 125 °F | |
| Drying Temperature | 82.2 °C | 180 °F | |
| Dry Time | 3 hour | 3 hour | |
| 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 |
|---|---|---|
| Change in Mass in IRM 903 Oil at 257°F for 70 hr | 41 | |
| 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 |