RS-2242 – Epoxy
RS-2242 is a castable, filled epoxy resin specifically designed for high voltage insulator applications. This material provides excellent electrical grade insulation properties, high mechanical properties, and superior resistance to chemicals including concentrated acids and mild alkalines. This material has superior arc resistance as compared to standard electrical grade epoxy materials. In addition, this material is non-flammable and meets UL 94/V-0 requirements.
APPROXIMATE CURED PROPERTIES
| SPECIFIC GRAVITY | 1.6 | |
| TENSILE STRENGTH | 9,000 PSI | 6.3 Kg/mm2 |
| FLEXURAL STRENGTH | 9,000 PSI | 6.3 Kg/mm2 |
| COMPRESSION STRENGTH | 15,000 PSI | 10.6 Kg/mm2 |
| ELASTIC MODULUS | 1.0 MSI | 700 Kg/mm2 |
| THERMAL EXPANSION | 20X10-6 IN/IN/oF | 36X10-6 cm/cm/oC |
| DIELECTRIC STRENGTH | 475 V/mil | 18.7 KV/mm |
| ARC RESISTANCE | 190 SEC. | |
| DIELECTRIC CONSTANT | 5.2 @ 60Hz | |
| DISSIPATION FACTOR | .030 @ 60Hz | |
| VOLUME RESISTIVITY @ 77oF | 1 X 1016 ohms/cm | |
| WATER ABSORPTION | 0.05% | |
| HEAT DISTORTION TEMPERATURE | 220 oF | 105 oC |
| THERMAL CONDUCTIVITY | .8 Watt/Meter x K | |
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JUNE 1995 |
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