Insulcast I-Cast 140 FR Epoxy Potting Compound
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Regular price
$ 373.90 USD
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Insulcast I-Cast 140 FR is a epoxy potting compound that protects your electronics from heat, moisture, and vibration. Pour or pump it around the assembly and it cures to a tough, protective mass that keeps the finished part working in the field. Sold in multiple sizes and, where the system is two-part, in matched Part A and Part B.
Features
- Seals out moisture, dust, and contaminants
- Cushions components against shock and vibration
- Thermally conductive (2.3 W/mK) to carry heat away from hot-running parts
- Flame retardant (UL 94 V-1) for fire-safety requirements
- Strong dielectric protection for reliable electrical isolation
- Backed by ITW Performance Polymers
Intended Uses
- Potting power supplies, transformers, and coils
- Sealing sensors, connectors, and control modules
- Protecting LED and lighting electronics
- Encapsulating medical device electronics
- EV and e-mobility power electronics
Physical Properties
- Mix ratio (by weight): 100:3-4
- Viscosity (Part A): 220,000 cP
- Pot life (25C): 2.5 hr
- Cure: 11B fast 120C/2h; small mass 95C 2-3h +1h@120C; large mass 65C 4h +2h@120C; post-cure 150C/4h
- Hardness: Shore D 90-95
- Service temp: -55 to 155 C
- Thermal conductivity: 2.3 W/mK
- Dielectric strength: 420 V/mil
- Flammability: UL 94 V-1
Mix Ratio and Cure
Mix Part A and Part B at 100:3-4 by weight. Cure: 11B fast 120C/2h; small mass 95C 2-3h +1h@120C; large mass 65C 4h +2h@120C; post-cure 150C/4h. Degas under vacuum for a void-free pot in critical assemblies.
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