ELECFUN 3/4 Inch 8 Ft Heat Shrink Tubing Roll, 3:1 Marine Grade Adhesive Lined Heatshrink Wire Tube, Waterproof Dual Wall Wiring Wrap for Cable Sealing Oil-Proof Wear-Resistant (4 ft Black & 4 ft Red)








Key features
- •Round Diameter: 3/4" / 19.1 mm (Before Shrinking), 1/4" / 6.4 mm (After Shrinking). The flat Diameter is 1-1/4" / 30 mm (Before Shrinking). As shown in the second picture
- •Package: 1 pcs 3/4 inch black large marine grade heat shrink tubing roll and 1 pcs 3/4 inch red large marine grade heat shrink tubing roll, each length is 4 feet, total length: 8 feet
- •3:1 Shrink Ratio: Shrink ratio of our industrial heatshrink tube is 3:1, which makes a tighter seal. Shrinkage temperature: 80 - 125 ℃, professional connections made in seconds
- •Adhesive Lined Heat Shrink Tubing: While heating, the adhesive lined comes out and seals the connection, creating water tight and long-lasting sealing
- •Dual Wall Tube and Safer: Outer wall provides abrasion resistance. The inner wall creates a water tight sealing and strain relief. All heat shrink tubing is UL-listed and compliant with SGS, RoHS, REACH, CE, and ISO9001 standards
- •More Sizes: Our factory offers various color and size (e.g. 3/32" ... 1.25",1.5",1.75", 2.5",3",3.5", and larger dia) small, big, rolls and kits, shrink ratio 2:1, 3:1, and 4:1. Support custom size, special usage tubes and high volume B2B purchasing
ELECFUN 3/4 Inch 8 Ft Heat Shrink Tubing Roll, 3:1 Marine Grade Adhesive Lined Heatshrink Wire Tube, Waterproof Dual Wall Wiring Wrap for Cable Sealing Oil-Proof Wear-Resistant (4 ft Black & 4 ft Red)
List Price: $13.56$12.20DEALYou Save: $1.36 (10%)
Free shippingFree Returns – 30 daysFree Order CancellationSecure Payment2–3 Days DeliveryGet It June 25, 2026In Stock (1)No marketing spamNo account requiredFulfilment by FedEx / Amazon / UPS / ShipwirePayPal / Card Buyer Protection







