ExxonMobil Santoprene® 121-87 Thermoplastic Elastomer
| Manufacturer | Exxon Chemical |
| Trade Name | Santoprene® |
| Port | Shanghai port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
Description
Material Notes:
A hard, black, 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.Key Features:Recommended for applications requiring excellent flex fatigue resistance.Excellent ozone resistance.Designed for improved UV resistance.Although not NSF certified, this product has a Material Supplier Form on file with NSF to facilitate its evaluation for use in applications requiring NSF certification.EU and China RoHS compliant.Applications:Automotive- Interior Mat, Seals, Gaskets and Weather SealsUses:Automotive Applications Automotive Interior Trim Automotive Exterior Trim Automotive Under the HoodAvailability: Africa & Middle East, Europe, North America, Asia Pacific, Latin America and South AmericaInformation provided by ExxonMobil Chemical
| 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 | 93 | 93 | 2 mm, 15 sec; ISO 868 |
| 94 | 94 | Air at 275°F, 1008 hr; ASTM D573 | |
| Tensile Strength at Break | 14.71 MPa | 2134 psi | Air at 275°F, 1008 hr; ASTM D573 |
| 15.2 MPa | 2200 psi | Across Flow; ASTM D412 | |
| Tensile Stress | 6.80 MPa
@Strain 100 %
|
986 psi
@Strain 100 %
|
Across Flow; ASTM D412 |
| Elongation at Break | 490.2 % | 490.2 % | Air at 275°F, 1008 hr; ASTM D573 |
| 570 % | 570 % | Across Flow; ASTM D412 | |
| Tear Strength | 50.1 kN/m | 286 pli | 73°F, Die C; ASTM D624 |
| Compression Set | 28 % | 28 % | 73°F, 22 hr; ASTM D395 |
| 65 % | 65 % | 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 | 2.7 | 2.7 | 1.98 mm; ASTM D150 |
| Dielectric Strength | 26.4 kV/mm | 670 kV/in | 2.03 mm; ASTM D149 |
| Processing Properties | Metric | English | Comments |
|---|---|---|---|
| Processing Temperature | 175 – 230 °C | 347 – 446 °F | |
| Rear Barrel Temperature | 182 °C | 360 °F | |
| Middle Barrel Temperature | 188 °C | 370 °F | |
| Front Barrel Temperature | 193 °C | 380 °F | |
| Nozzle Temperature | 199 – 235 °C | 390 – 455 °F | |
| Die Temperature | 210 °C | 410 °F | Extrusion |
| Melt Temperature | 204 °C | 400 °F | Extrusion |
| 204 – 232 °C | 400 – 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 | Black | |
| Form | Pellets | |
| Injection Rate | Fast | |
| Maximum Regrind % | 20 | |
| Screw Compression Ratio | 2:1 – 2.5:1 | |
| Screw L/D Ratio | 16:1 – 20:1 |
