Description
Insulcast I-Cast 502 is a low-viscosity epoxy potting compound that protects electronics from moisture, vibration, and electrical stress. Its thin, free-flowing resin reaches tight spaces and cures to a hard protective mass that keeps the finished part working in the field.
Insulcast I-Cast 502 Benefits
- Low 700 cP viscosity flows into tight assemblies
- Seals out moisture, dust, and contaminants
- Cushions components against shock and vibration
- Holds strong dielectric isolation at 425 V/mm
- Cures to a hard Shore D 85 mass
- Carries a modest thermal path at 0.23 W/mK
Common Applications
- 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
Typical Properties
- Mix ratio by weight: 100 to 13 with Insulcure 9
- Viscosity, Part A: 700 cP
- Pot life at 25C: 45 minutes with Insulcure 9
- Cure: 4 to 8 hours at 25C
- Hardness: Shore D 85
- Service temperature: -40 to 105C
- Thermal conductivity: 0.23 W/mK
- Dielectric strength: 425 V/mm
Surface Prep and Use
Mix the resin with Insulcure 9 curing agent at 100 to 13 by weight until uniform. Pour or pump around the assembly and degas under vacuum for a void-free pot in critical work. Cure for 4 to 8 hours at 25C.
Ordering and Product Support
Browse the full range of encapsulants and potting compounds, or read more about the Insulcast line from ITW Performance Polymers.
Call (800) 220-1966 or email [email protected] for pricing, lead time, and technical help.
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