| About |
|---|
| Acculam® Siliglas G7 – Laminate sheet comprised of a high performance silicone resin and a woven fiberglass substrate. It qualifies to NEMA G-7 and MIL-I-24768/17. This material has high heat resistance, low dissipation factor, and excellent arc resistance. It is flame resistant with low smoke evolution, and meets the needs of Class “H” insulation. It is used in high frequency telecom equipment, transformers and items subjected to high heat.&& |
| Product Description | |
|---|---|
| Generic | 硅酮 |
| Material Status | Commercial: Active |
| Features | Low smoke,Flame Characteristics,High Heat Resistance,Arc resistance |
| Availabilitys | North America |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.75 | g/cm³ | ASTM D792 |
| Water absorption rate | |||
| 24hr，3.18 mm | < 0.35 | % | ASTM D570 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | ASTM D256 | ||
| — | > 530 | J/m | ASTM D256 |
| — | > 430 | J/m | ASTM D256 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Temperature index | 220 | ℃ |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Relative permittivity | 4.00 | IEC 60250 | |
| Dissipation factor | ASTM D150 | ||
| — | 3.0E-3 | ASTM D150 | |
| — | 0.020 | ASTM D150 | |
| Arc resistance | 180 | sec | ASTM D495 |
| breakdown voltage | |||
| — | > 40000 | V | |
| A | > 50000 | V |
| Supplementary information | Nominal value | Unit | Test method |
|---|---|---|---|
| Bond Strength | > 320000 | g |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Rockwell hardness | |||
| M-level | 100 | ASTM D785 | |
| bending strength | ASTM D790 | ||
| 3.18 mm | > 165 | MPa | ASTM D790 |
| 3.18 mm | > 124 | MPa | ASTM D790 |
| compressive strength | 310 | MPa | ASTM D695 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. CW-A |
| 3. LW-A |
| 4. Flatwise |
| 5. CW |
| 6. LW |
| 7. A |
| 8. D24/23 |
| 9. D48/50 |
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