SealCast Ultra is a professional-grade, heavy duty potting compound for underwater connections. It is specially formulated for use in fountains, water features, and swimming pools. Unlike general-purpose compounds, SealCast Ultra is engineered to meet the demanding needs of permanent underwater cable connections in both commercial and residential aquatic environments.
SealCast Ultra is field-proven for use in fresh, chlorinated, and sea water, and is the only potting compound designed exclusively for fountain and aquatic feature installations. Whether you’re an installer working on LED lights in a pool or a consultant specifying a long-lasting solution for underwater electrical safety, SealCast Ultra offers exceptional adhesion to cables, plastics, and metals, along with excellent chemical and water resistance.
This two-component resin is delivered in pre-measured, dual-chamber pouches, ensuring the correct mixing ratio with no room for error. Simply break the internal seal, knead the pouch to mix, and pour — a failproof, mess-free process that ensures reliable results every time. The low-viscosity formulation flows easily into electrical enclosures, ensuring full encapsulation of all components. Its low exothermic reaction and minimal shrinkage during curing make it ideal for protecting cable connections, even in junction boxes with complex geometries.
- Suitable for permanent underwater cable connections
- Field-proven for Fountains, Water Features & Pools
- Suitable for fresh, chlorinated and sea water
- Strong adhesion to cables, plastics and metal
- Delivered in pre-measured dual-chamber pouches
- Low-viscosity formulation for easy flow
- Pot life designed for quick curing and easy application
- Cold curing
- Solvent-free
- Low exothermic reaction temperature
- Minimum shrinkage
- High impact strength
- Chemical and hydrocarbon resistant
- Temperature resistant
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