Description
Sudbury Elastomeric 3 oz (89 ml) Sealant Tube - Clear is a one-part, marine-grade elastomeric sealant designed for heavy-duty sealing above and below the waterline. It cures quickly with a 10-minute skin time and a 24-hour cure to deliver a durable, flexible watertight seal.
- Volume: 3 oz (89 ml)
- Color: Clear
- Type: One-part elastomeric marine-grade sealant
- Skin time: Fast skinning in about 10 minutes
- Cure time: Fast curing in about 24 hours
- Temperature range: Cures across -20°F to 120°F / -28.9°C to -48.9°C
- Adhesion / Substrates: Adheres to fiberglass, glass, plastic, metal and wood without primers
- Flexibility: Excellent elongation and compression to maintain a watertight seal on moving joints
- Waterline performance: Heavy-duty sealing above and below the waterline; seals ports, bed hardware, and stops leaks; suitable for trim tabs and transducers
- Finish & paintability: Wet-sandable and paintable after curing
- Cleanup: Easy cleanup with mineral spirits
- Chemical resistance: Resistant to teak cleaners, oil, diesel fuel and salt water
- Usage cautions: Not recommended for wooden deck seams or areas subject to gasoline
- Manufacturer: Sudbury
- Part number: 321
- UPC: 898286002180
- Safety: Prop65 warning — contains toluene; California warning applies
This sealant is designed for boats and marine surfaces requiring a durable, flexible seal that remains effective in harsh conditions. It bonds to multiple substrates without primers, tolerates a broad temperature range, and can be finished with light sanding and painting after curing for a clean, professional look. It provides reliable performance around ports, bed hardware, trim tabs, and transducers, helping to prevent leaks in dynamic or moving joints. Cleanup with mineral spirits keeps maintenance straightforward.
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