Description
Insulcast RTVS LN 18-100 is a two-part RTV silicone potting compound for protecting electronic assemblies from heat, moisture, and vibration. Poured or pumped around a component, it cures to a tough protective mass that keeps the finished part working in the field.
Insulcast RTVS LN 18-100 Benefits
- Seals out moisture, dust, and contaminants
- Cushions components against shock and vibration
- Provides strong dielectric protection for reliable electrical isolation
- Cures to a durable, protective mass
- Matched Part A and Part B for consistent mixing
- Manufactured by ITW Performance Polymers
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
- Two-component RTV silicone system
- Room-temperature vulcanizing cure
- Dielectric protection for electrical isolation
- Resistant to moisture, dust, and contaminants
- Absorbs shock and vibration
Published product literature does not list numeric property values. Contact us for the current technical data sheet.
Surface Prep and Use
Mix Part A and Part B in the specified ratio until uniform. Pour or pump the mixed compound around the assembly and degas under vacuum where voids are a concern. Allow the compound to cure at room temperature to a tough protective mass before handling.
Ordering and Product Support
Insulcast RTVS LN 18-100 is part of our encapsulants and potting compounds line, manufactured by ITW Performance Polymers.
Call (800) 220-1966 or email [email protected] for pricing, lead time, and technical support.







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