Category | Polymer , Thermoset , Rubber or Thermoset Elastomer (TSE) , Silicone , Silicone Rubber |
Manufacturer | Momentive Performance Materials (Former GE Silicones) |
Trade Name | Silopren™ |
Port | Shanghai port,China |
Trade Terms | FOB, CFR, CIF |
Payment Terms | L/C, T/T, Western Union |
Download PDF | Momentive Performance Materials Siloprenâ„¢ LSR 2640 LV Liquid Silicone Rubber - Low Volatile / High Tear.pdf |
Price | EMAIL US sales@lookpolymers.com |
Physical Properties | Metric | English | Comments |
---|---|---|---|
Specific Gravity | 1.11 g/cc | 1.11 g/cc | |
Linear Mold Shrinkage | 0.027 cm/cm | 0.027 in/in | vulcanized 10 sec at 200°C; Without post-cure |
0.035 cm/cm | 0.035 in/in | vulcanized 10 sec at 200°C then post-cured |
Mechanical Properties | Metric | English | Comments |
---|---|---|---|
Hardness, Shore A | 37 | 37 | |
Tensile Strength | 8.00 MPa | 1160 psi | |
Elongation at Break | 660 % | 660 % | |
Tear Strength | 33.0 kN/m | 188 pli | Die B |
Optical Properties | Metric | English | Comments |
---|---|---|---|
Transmission, Visible | 80 % | 80 % | transparent; thickness unknown |
Compliance Properties | Metric | English | Comments |
---|---|---|---|
FDA | Yes | Yes | FDA Indirect food contact - Rubber articles intended for repeated use - FDA Reg 21CFR177.2600 |
Processing Properties | Metric | English | Comments |
---|---|---|---|
Nozzle Temperature | 20.0 °C | 68.0 °F | cool nozzle and cylinder to prevent premature vulcanization |
Mold Temperature | 140 - 230 °C | 284 - 446 °F | short vulcanization time required (a few seconds) |
Injection Pressure | 5.00 - 15.0 MPa | 725 - 2180 psi | depends on feed channel |
Hold Pressure | 5.00 MPa | 725 psi |
Descriptive Properties | Value | Comments |
---|---|---|
Appearance | Transparent | |
BfR | product is compositionally compliant | Recommendation XV Silicones; post cured (4h/200°C) |