Insulcast RTVS 42 Curtis II RTV Silicone Potting Compound
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Regular price
$2,357.00 CAD
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Insulcast RTVS 42 Curtis II is a rtv silicone 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 (0.58 W/mK) to carry heat away from hot-running parts
- Flame retardant (UL 94 V0) 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): 100:4.8
- Viscosity (Part A): 18,000 cP
- Pot life (25C): 20 min
- Cure: 24 hr @25C, or 8 hr + 2 hr @65C
- Hardness: 75 Shore A (10-15 D)
- Service temp: -55 to 125 C
- Thermal conductivity: 0.58 W/mK
- Dielectric strength: 500 V/mm
- Flammability: UL 94 V0
Mix Ratio and Cure
Mix Part A and Part B at 100:4.8 by weight. Cure: 24 hr @25C, or 8 hr + 2 hr @65C. Degas under vacuum for a void-free pot in critical assemblies.
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