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- ExxonMobil Santoprene® 221-73 Thermoplastic Elastomer (discontinued **)
ExxonMobil Santoprene® 221-73 Thermoplastic Elastomer (discontinued **)
| Category | Polymer , Thermoplastic , Elastomer, TPE , Thermoplastic Vulcanizate Elastomer (TPV) |
| Manufacturer | |
| Trade Name | |
| Port | Ningbo port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | ExxonMobil Santoprene® 221-73 Thermoplastic Elastomer
(discontinued **).pdf  |
| Price | EMAIL US sales@lookpolymers.com |
Material Notes:
A soft, colorable, UV resistant thermoplastic vulcanizate (TPV) in the thermoplastic elastomer (TPE) family. This material combines good physical properties and chemical resistance for use in a wide range of applications. This grade of Santoprene TPV is shear-dependent and can be processed on conventional thermoplastics equipment for injection molding, extrusion or blow molding. It is polyolefin based and completely recyclable.Recommended for applications requiring excellent flex fatigue resistance.Excellent ozone resistance.Designed for improved UV resistance.Information provided by Advanced Elastomer Systems
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Specific Gravity | 0.970 g/cc | 0.970 g/cc | 23°C; ASTM D792 |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Hardness, Shore A | 73 | 73 | .12 in; ASTM D2240 |
| 78 | 78 | Air at 275°F, 1008 hr; ASTM D573 | |
| Tensile Strength at Break | 8.83 MPa | 1280 psi | Across Flow; ASTM D412 |
| 9.708 MPa | 1408 psi | Air at 275°F, 1008 hr; ASTM D573 | |
| Tensile Strength, Ultimate | 3.59 MPa | 520 psi | Across Flow; ASTM D412 |
| Elongation at Break | 457.6 % | 457.6 % | Air at 275°F, 1008 hr; ASTM D573 |
| 520 % | 520 % | Across Flow; ASTM D412 | |
| Tear Strength | 27.0 kN/m | 154 pli | 73°F, Die C; ASTM D624 |
| Compression Set | 19 % | 19 % | 73°F, 22 hr; ASTM D395 |
| 40 % | 40 % | 257°F, 70 hr; ASTM D395 |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| Maximum Service Temperature, Air | 135 °C | 275 °F | |
| Brittleness Temperature | -57.8 °C | -72.0 °F | ASTM D746 |
| Electrical Properties | Metric | English | Comments |
|---|---|---|---|
| Dielectric Constant | 2.3 | 2.3 | ASTM D150 |
| Dielectric Strength | 35.4 kV/mm | 900 kV/in | ASTM D149 |
| Processing Properties | Metric | English | Comments |
|---|---|---|---|
| Processing Temperature | 175 - 230 °C | 347 - 446 °F | |
| Rear Barrel Temperature | 177 °C | 350 °F | |
| Middle Barrel Temperature | 182 °C | 360 °F | |
| Front Barrel Temperature | 188 °C | 370 °F | |
| Nozzle Temperature | 193 - 227 °C | 380 - 440 °F | |
| Die Temperature | 204 °C | 400 °F | Extrusion |
| Melt Temperature | 202 °C | 395 °F | Extrusion |
| 199 - 232 °C | 390 - 450 °F | Processing | |
| Mold Temperature | 10.0 - 51.7 °C | 50.0 - 125 °F | Processing |
| 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 | Processing |
| 5.00 - 20.0 MPa | 725 - 2900 psi | Extrusion | |
| 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 |
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