Seachoice 3-To-1 Heat Shrink Tubing With Sealant
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
Seachoice 3-to-1 heat shrink tubing with sealant is a marine-grade, flexible polyolefin tubing with an adhesive liner designed to melt during installation—creating a complete environmental seal to help prevent corrosion while improving insulation and abrasion resistance.
Key Features
- Marine grade, flexible polyolefin heat shrinkable tubing
- 3:1 shrink ratio with adhesive liner
- Flame retardant
- After installation, helps form a complete environmental seal to prevent corrosion
- Helps enhance insulation and improve abrasion resistance
- Operating temperature: -55°C to 110°C
Intended Use
- Marine electrical and wire/cable connections
- Weatherproofing and environmental sealing for splices
- Insulation and strain relief for wiring runs
- Protecting terminations from moisture and corrosion (when used with appropriate preparation and heating)
Product Details
- Brand/Type: Seachoice 3-to-1 Heat Shrink Tubing With Sealant
- Product Category: Heat Shrink & Adhesive Lined
- Shrink ratio: 3:1
- Line: adhesive liner
- Flame retardant: yes
- Operating temperature: -55°C to 110°C
- Variant SKU: 50-60341
Parts Desk Insights
Best Use Case: Ideal for making sealed, marine-ready wire connections—especially where moisture and corrosion protection are critical and you want both insulation and abrasion resistance from the covering.
Common Issues: For best sealing performance, make sure the wire and connection surfaces are properly prepped and that the tubing is heated evenly until the adhesive liner fully flows; if heating is uneven or insufficient, the environmental seal may be incomplete.
Related Products & Accessories
- Heat Shrink & Adhesive Lined - Browse the Heat Shrink & Adhesive Lined collection for additional tubing sizes and similar sealed-connection options.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 1-3 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.