Do you sell these kits without the adhesive lining?

At the moment we do not offer heat shrink tubing kits without adhesive lining.

Can a hair dryer be used to heat the tubes?

Thank you for your question. We recommend using a heat gun as a heat source.

what would be the correct size for 6242Y grade 2.5mm twin and earth cable? the cable measure 10mm x 5mm

If you are electrical engineer by trade your ansawer to your question should be why. Why are you using this shrink wrap on any type of twin & earth. If its been cut or broken then unless you have good knowledge of ac cabling and I presume you're competently qualified in this I would not suggest using it in any ac environment. By way of your disciption, if there is some kind of brake or join in two wires (cables) you would normally solder the joints and shrink wrap the joint to seal and secure. If in case of ac use only a joiner like waggo ect which is rated appropriately, if in doughty with any ac diy activity seek qualified abilities, you may only regret it soon or later if you don't. A bodge can kill😕🤔

Is this suitable for use in an aquarium?

It’s plastic so pretty inert. It depends on what you want to do with it.

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Wirefy Heat Shrink Tubing Kit - 3:1 Ratio - Adhesive Lined - Waterproof Marine Grade Wire Shrink Wrap Tubing - Industrial Heat-Shrink Tubing - White - 275 PCS

Wirefy Heat Shrink Tubing Kit - 3:1 Ratio - Adhesive Lined - Waterproof Marine Grade Wire Shrink Wrap Tubing - Industrial Heat-Shrink Tubing - White - 275 PCS

Product ID: 285556543

Details

Brand
Wirefy
Manufacturer
Wirefy
Material
Polyolefin
Product dimensions
44L x 44W

💧Adhesive Lined - waterproof seal

🔥3:1 Shrink Ratio - ultra-tight fit

🛠️275 PCS - versatile size kit

Description

🔥 Seal it tight, protect it right — the ultimate heat shrink kit for pros who never settle.

ALL IN ONE KIT - 275 pre-cut pieces in 7 essential sizes cover every wiring project from delicate electronics to heavy-duty cables.
SHRINK LIKE A PRO - 3:1 ratio ensures a snug, professional-grade seal that outperforms standard 2:1 tubing.
DUAL WALL DURABILITY - Outer abrasion-resistant layer plus inner adhesive lining for unbeatable protection and strain relief.
WATERPROOF CONFIDENCE - Heat-activated adhesive creates a durable, moisture-proof barrier for marine and outdoor use.
PLUG PLAY SIMPLICITY - Slide on, heat, and seal in seconds—perfect for busy pros who demand flawless results every time.

Wirefy’s Heat Shrink Tubing Kit features a superior 3:1 shrink ratio that tightly seals wires and connectors with a heat-activated adhesive lining, ensuring waterproof, corrosion-resistant protection. This industrial-grade, dual-wall tubing kit includes 275 pre-cut pieces across 7 popular sizes, designed for quick, professional repairs in marine, automotive, and electrical applications. UL listed and flame retardant, it delivers durable insulation and strain relief, making it the go-to choice for millennial pros who value reliability and efficiency.

Specifications

ASIN	B089D6L839
Best Sellers Rank	124,672 in DIY & Tools ( See Top 100 in DIY & Tools ) 69 in Tubes (DIY & Tools)
Brand	Wirefy
Customer Reviews	4.6 4.6 out of 5 stars (24,804)
Item Dimensions L x W	44L x 44W millimetres
Manufacturer	Wirefy
Material	Polyolefin
Model Number	Wirefy-DWT-275-C
Number of Items	275
Part Number	Wirefy-DWT-275-C
Recommended Uses For Product	Insulation and protection of wires, cables, connections and components; Repair of damaged wires; Moisture sealing; Marine and automotive wiring; Outdoor and domestic repairs; RC recreation
UPC	857409007952
Unit Count	1.0 count

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How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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