| Code | Expanded | Recovered | ||
|---|---|---|---|---|
| (max.) | (min.) | (max.) | (min.) | |
| DIB - 0820 | 60 | 27 | 20 | 8 |
| DIB - 1330 | 85 | 32 | 40 | 12 |
| DIB - 2145 | 110 | 55 | 54 | 20 |
| DIB - 2755 | 145 | 64 | 60 | 27 |
| Property Physical | 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 D638 | |
| Ultimate Elongation | 300% (min) | ASTM D638 | |
| 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 1014 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 D2303 |
