| Code | Expanded | Recovered | ||
|---|---|---|---|---|
| (max.) | (min.) | (max.) | (min.) | |
| DRAB - 1 | 75 | 36 | 35 | 18 |
| DRAB - 2 | 75 | 50 | 35 | 26 |
| DRAB - 3 | 95 | 67 | 35 | 26 |
| Property | Requirements | Test Method |
|---|---|---|
| Physical | ||
| Tensile strength | 12 N/mm (Mpa) (min) | ASTM D638 |
| Ultimate Elongation | 350% (min) | ASTM D638 |
| Density | 1.15 ± 0.2 gm/cm | ASTM D792 |
| Hardness | 45 ± 10 shore D | ASTM D2240 |
| Water absorption | 0.5 % (max) | ASTM D570 |
| Thermal | ||
| Accelerated ageing | (120°C for 500 hrs) | ASTM D2671 |
| Tensile Strength | 11 N/mm2 (Mpa) (min.) | ASTM D 638 |
| Ultimate Elongation | 300% (min) | ASTM D 638 |
| Low Temperature Flexibility (-40°C for 4 hrs) | No Cracking | ASTM D2671 |
| Heat Shock (250°C for 30 min) | No cracking or flowing | ESI 09-11 |
| Shrink Temperature | 125°C | IEC 216 |
| Continuous Temperature Limit | -40 to + 100°C | IEC 216 |
| Electrical | ||
| Dielectric strength | 12 KV/mm (min.) | ASTM D149 |
| Volume Resistivity | 1 x 10 ohm. cm (min) | ASTM D257 |
| Dielectric Constant | 5 (max.) | ASTM D150 |
| Resistant To Track & Erosion | or flame failure up to 3.25 kv for 20 min. | ASTM D 2303 |
