Category | Polymer , Thermoplastic , Elastomer, TPE , Thermoplastic Elastomer, Melt-Processible Rubber |
Manufacturer | |
Trade Name | |
Port | Shanghai port,China |
Trade Terms | FOB, CFR, CIF |
Payment Terms | L/C, T/T, Western Union |
Download PDF | ExxonMobil Santoprene® 8221-60 Thermoplastic Rubber (discontinued **).pdf |
Price | EMAIL US sales@lookpolymers.com |
Physical Properties | Metric | English | Comments |
---|---|---|---|
Density | 0.950 g/cc | 0.0343 lb/in³ | ASTM D792 |
Maximum Moisture Content | 0.080 | 0.080 |
Mechanical Properties | Metric | English | Comments |
---|---|---|---|
Hardness, Shore A | 64 | 64 | 2 mm, 15 sec; ISO 868 |
Tensile Strength at Break | 5.70 MPa | 827 psi | Across flow; ASTM D412 |
Tensile Strength, Yield | 2.20 MPa @Strain 100 % |
319 psi @Strain 100 % |
Across flow; ASTM D412 |
Elongation at Break | 470 % | 470 % | Across flow; ASTM D412 |
Compression Set | 32 % @Temperature 70.0 °C, Time 79200 sec |
32 % @Temperature 158 °F, Time 22.0 hour |
ASTM D395B |
60 % @Temperature 125 °C, Time 252000 sec |
60 % @Temperature 257 °F, Time 70.0 hour |
ASTM D395B |
Thermal Properties | Metric | English | Comments |
---|---|---|---|
Brittleness Temperature | -62.8 °C | -81.0 °F | ASTM D746 |
UL RTI, Electrical | 100 °C | 212 °F | UL 746 |
UL RTI, Mechanical with Impact | 85.0 °C | 185 °F | UL 746 |
Flammability, UL94 | HB @Thickness 1.10 mm |
HB @Thickness 0.0433 in |
|
HB @Thickness 3.00 mm |
HB @Thickness 0.118 in |
Electrical Properties | Metric | English | Comments |
---|---|---|---|
Dielectric Constant | 2.3 @Thickness 2.01 mm |
2.3 @Thickness 0.0791 in |
ASTM D150 |
Dielectric Strength | 31.1 kV/mm @Thickness 2.03 mm |
790 kV/in @Thickness 0.0799 in |
ASTM D149 |
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 | |
Die Temperature | 177 - 216 °C | 351 - 421 °F | Extrusion |
Melt Temperature | 143 - 216 °C | 289 - 421 °F | Processing |
179 - 216 °C | 354 - 421 °F | Extrusion | |
Mold Temperature | 23.9 - 51.7 °C | 75.0 - 125 °F | |
Drying Temperature | 82.0 °C | 180 °F | |
Dry Time | 3 hour | 3 hour | |
Back Pressure | 0.345 - 0.689 MPa | 50.0 - 99.9 psi | |
Clamp Pressure | 41.0 - 69.0 MPa | 5950 - 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 |
---|---|---|
Injection Rate | Fast | |
Max Regrind | 20% | |
Screw Compression Ratio | 2:1 - 2.5:1 | |
Screw L/D Ratio | 16:1 - 20:1 |