| SR. NO. | CHARACTERISTIC | TEST METHOD | Unit | SPECIFIED VALUES |
|
| A | GENERAL REQUIREMENT | ||||
| 1 | MATERIAL | ECR | |||
| 2 | GRADE | EPOXY | |||
| 3 | COLOUR | NATURAL | |||
| B | PHYSICAL PROPERTIES | ||||
| 1 | SPECIFIC GRAVITY | ASTM D 792 - 2008 | 2.0 ± 0.1 | ||
| 2 | GLASS CONTENT (BY WEIGHT) | BS - 2782-1997 | 80% (MIN.) | ||
| 3 | DIE PENETRATION | IEC - 61109-2008 | Minutes | > 15 | |
| 4 | WATER ABSORPTION | ASTM D 570 - 81 | % | 0.1 MAXIMUM | |
| C | MECHANICAL PROPERTIES | ||||
| 1 | TENSILE STRENGTH | ASTM D 638 - 1991 | mPA | 1000 (10200 Kgf./ Cm2) |
|
| 2 | FLEXUREL STRENGTH | ASTM D 790 - 1992 | mPA | 600 (6100 Kgf./ Cm2) |
|
| 3 | COMPRESSIVE STRENGTH | ASTM D 695 - 1991 | mPA | 500 (5100 Kgf./ Cm2) |
|
| 4 | IMPACT STRENGTH ( IZOD ) | ASTM D 256 - 2006 | Kj / Mtr2 | 400 MIN. | |
| 5 | HARDNESS | ASTM D 2583 - 1986 | Barcol Nos. | 65 MIN. | |
| 6 | STRESS CORROSION (1mol / 1HNO3 at 80% SML) |
REC Cl No.2 | Hours | 96 | |
| D | ELECTRICAL PROPERTIES | ||||
| 1 | DIE ELECTRIC STRENGTH (AXIAL) IN 900 C OIL |
ASTM D 149 - 2009 | Kv/ 25mm | 50 | |
| 2 | DIE ELECTRIC STRENGTH (RADIAL) IN 900 C OIL |
ASTM D 149 - 2009 | KV / mm | 10 | |
| 3 | DIE ELECTRIC CONSTENT 500V / 50 Hz. / 25 C0 |
IEC - 60250 - 1969 | 5 | ||
| 4 | DIE ELECTRIC DISSIPATION FACTOR 500V / 50 Hz. / 25 C0 |
IEC - 60112 - 2003 | 0.013 | ||
| 5 | COMPARATIVE TRACKING INDEX | IEC - 60112 - 2003 | KV | 600 MIN | |
| 6 | SURFACE RESISTIVITY | ASTM D 257 - 2007 | ohms | 1.1 x 1013 | |
| 7 | VOLUME RESISTIVITY | ASTM D 257 - 2007 | ohms - Cm | 10 14 | |
| 8 | WATER DIFFUSION | IEC - 61109 | m.A. | 1 m.A. (MAX) | |
| E | THERMAL PROPERTIES | ||||
| 1 | MARTENS HEAT DISTROTION | DIN - 53462 - 1987 | C° | 200 MIN | |