We meet your production needs with a wide variety of high voltage formulations, and extensive experience in custom development.
We formulate and manufacture high performance UL 1446 & 94V0 HIGH VOLTAGEepoxy resin solutions with precisely the right combination of hardness, gel time, viscosity, strength and electrical properties to satisfy your requirements.
Our UL 1446 materials are recognized as a potting compound for use up to 180C (class H); UL File No. E 210549. Our UL 94V0 flame retardant systems are available in a wide variety of characteristics designed for electrical applications.
Our systems are engineered for complete Impregnation of fine wires which assists in elimination of voids, reduces core noise and vibration and lowers operating temperature.
Here are specifications of some popular high voltage epoxies from efi Polymers:
Item # |
Ratio |
Working Time 200g@77F |
Gel Time 400g |
Cure Time @77F | Cure Time |
Viscosity @77F cps mixed |
Shelf Life |
Hardness Shore D |
Dielectric Strength (Volts/mil) |
Resistance ohm-m |
PDF |
20003 & 50013 |
2.5:1 |
100 min 400g |
6-7 hrs 200g |
24 hrs | 6 hrs @ 160F |
600 |
1Yr |
85 |
550 |
5.0x1016 |
|
20271 & 50042 |
2:1 |
16 hrs 50g |
90 min 50g |
n/a |
24 hrs @ 185F |
9000 |
1Yr |
506 |
2.9x1015 ohm-cm |
More about efi-polymers potting compounds:
We serve original equipment manufacturers in America, Canada, Asia and Europe. The use of efi epoxies in HIGH VOLTAGE applications is beneficial in securing electrical components and making sure they work properly against corona breakdown . If safety is an issue, impregnate parts with high dielectric strength totally encapsulating epoxy resin that is impervious to environmental intrusion.
Call if you need our help 847-332-2482.
EFI - 4600 Holly St., Denver, CO 80216 - Ph: 888-469-9812 or +1 303-333-1876 - Fax: +1 303-333-0054
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