| About |
|---|
| Liquid silicone rubber mateials for pads Product Description LIM1939-35A/B and LIM1939-60A/B are 2-part liquid silicone rubber catalyzed by platinum with long usable life and excellent performance, suitable for injection molding processes. Key Features Meet US FDA CFR21. Part.177.2600 and EN 14350.2 and EU RoHS Atandard. Outstanding weather resistance. High tear strength. Outstanding resistance to aging. Low yellowing The safe operating period is 5 days under airproof condition and 20 after mixing component A and B, the safe operating period will decrease with the increasing of the temperature. Applications Silicone pad for industrial parts&& |
| Product Description | |
|---|---|
| Supplier | SQUARE |
| Generic | 硅橡胶,LSR |
| Material Status | Commercial: Active |
| Features | Weather resistance is good,Good tear strength |
| Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
| Process Methods | Liquid injection molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Shrinkage rate | |||
| MD | 2.0 | % | JIS K6301 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shaw’s A | 59 | ASTM D2240 |
| elastic body | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile permanent deformation | < 5 | % | ASTM D412 |
| tensile strength | > 7.50 | MPa | ASTM D412 |
| Tensile strain | |||
| fracture | > 400 | % | ASTM D412 |
| tear strength | > 35.0 | kN/m | ASTM D624 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Thermosetting components | |||
| Component A | 按重量计算的混合比: 1.0 | ||
| Component B | 按重量计算的混合比: 1.0 | ||
| storage stability | |||
| 20 ℃ | 7200 | min | |
| Storage period | 52 | wk |
| Uncured Properties | Nominal value | Unit | Test method |
|---|---|---|---|
| viscosity | 900 | Pa·s | DIN 53019 |
| Cured Properties | Nominal value | Unit | Test method |
|---|---|---|---|
| Resilience | > 60 | % |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Die C |
| 3. Die B |
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