Description
Insulcast I-Cast 101 is a two-part epoxy potting compound that protects electronics from moisture, vibration, and electrical stress. Pour or pump it around the assembly and it cures to a tough protective mass that keeps the finished part working in the field.
Insulcast I-Cast 101 Benefits
- Seals out moisture, dust, and contaminants
- Cushions components against shock and vibration
- Holds strong dielectric isolation for reliable electrical performance
- Cures to a hard Shore D 80 mass
- Matched Part A and Part B for a repeatable 1 to 1 mix
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: 1 to 1
- Viscosity, Part A: 16,000 cP
- Pot life at 25C: 45 minutes (100 g)
- Cure: 48 hours at 25C, or 2 hours at room temperature plus 2 hours at 130F
- Hardness: Shore D 80
Surface Prep and Use
Mix Part A and Part B at 1 to 1 by weight until uniform. Pour or pump around the assembly and degas under vacuum for a void-free pot in critical work. Allow 48 hours at 25C, or accelerate with 2 hours at room temperature followed by 2 hours at 130F.
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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