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
Colour
White
Item length
1.75 Inches
Item weight
0.49 Pounds
Material
Polyolefin
Maximum pressure
10 Bars

💧Adhesive Lined - waterproof & durable

🔥3:1 Shrink Ratio - ultra-tight seal

🛠️275 PCS - versatile size variety

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Description

🔥 Seal it tight, protect it right – the ultimate shrink wrap upgrade!

DUAL WALL DURABILITY - Outer abrasion-resistant layer plus inner waterproof seal combine for marine-grade toughness.
EFFORTLESS APPLICATION - Slide on, heat, and secure—professional results in seconds, no special skills required.
COMPREHENSIVE SIZE RANGE - Includes 7 essential diameters from 3/32" to 3/4", pre-cut for instant use and perfect fit every time.
WATERPROOF ADHESIVE SEAL - Inner glue activates with heat to lock out moisture and protect your connections for the long haul.
PRECISION 3 1 SHRINK RATIO - Ensures a snug, professional-grade fit that outperforms standard 2:1 tubing.

The Wirefy Heat Shrink Tubing Kit offers 275 pre-cut, marine-grade polyolefin tubes with a superior 3:1 shrink ratio and adhesive lining for waterproof, abrasion-resistant insulation. Designed for professionals and DIYers alike, it covers a broad size range and delivers fast, reliable, and neat wire protection that lasts.

Specifications

ASIN	B089D6L839
Best Sellers Rank	25,762 in DIY & Tools ( See Top 100 in DIY & Tools ) 18 in Tubes (DIY & Tools)
Brand	Wirefy
Colour	White
Country of Origin	China
Customer Reviews	4.6 4.6 out of 5 stars (29,315)
Item Dimensions L x W	44L x 44W millimetres
Item Length	1.75 Inches
Item Weight	0.49 Pounds
Manufacturer	Wirefy
Material	Polyolefin
Maximum Pressure	10 Bars
Nominal Wall Thickness	1 millimeters
Outside Diameter	44.5 Millimetres
UPC	857409007952
Unit Count	275.0 count

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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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