When heated to shrink, does it actually shrink and melt to the point where it grabs on the material it is being applied to? (Melt)?

Yes, for my use it worked well. It would have worked better if it had thicker walls for strength. For sealing it shrinks very well.

What are you using to heat up tubing?

I've used a butane lighter (can leave soot marks), a standard heat gun (can be imprecise & too hot), and now I use a 300w heat shrink gun (not too hot & only heats a small area).

How do you use them?. Heat was mentioned.

You use a heat source suck as lighter or heat gun to shoe I the tube to the wire. Pass the heat over not against the tube

I need heat shrink for underwater connections n a water well? Any suggestions on what kind of shrink wrap I need ?

Just a suggestion: use heat shrink as normal, but cover that in either paint on or wrapped on black vinyl (butyl, or whatever) to give a truly watertight connection. It's the same stuff as electrical tape, but comes in a can with a little brush, or HV insulation, but that would give a very high diameter. I like the brush-on stuff for lower voltages, and would definitely make for a watertight seal.

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Ginsco 324 Pcs 6 Size φ1.5/2.5/3/5/6/10mm Clear Heat Shrink Tubing Cable Wrap Kit

Ginsco 324 Pcs 6 Size φ1.5/2.5/3/5/6/10mm Clear Heat Shrink Tubing Cable Wrap Kit

Product ID: 419149367

Details

Brand
Ginsco
Colour
Clear
Material
Polyolefin
Product dimensions
45L x 3W
Style
Single

📏324 pcs in 6 precise sizes

🔥2:1 shrink ratio for tight fit

🌡️-55°C to +125°C temp range

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R602

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In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔥 Shrink it, seal it, secure it — the pro’s clear choice!

EFFORTLESS INSTALLATION - Shrinks quickly and snugly with heat, saving you time and ensuring a professional finish.
ORGANIZED READY TO GO - 324 pieces in a sleek compartmentalized case—grab the right size fast and stay on top of your game.
CRYSTAL CLEAR VISIBILITY - Transparent tubing lets you inspect connections instantly, no guesswork needed.
ULTIMATE INSULATION SHIELD - Protects wires from moisture, dust, and wear—keeping your projects safe and durable.
VERSATILE TEMPERATURE TOLERANCE - Certified for extreme conditions from freezing cold to high heat, perfect for any environment.

The Ginsco 324 Pcs Clear Heat Shrink Tubing Kit offers six versatile sizes with a 2:1 shrink ratio, made from durable polyolefin. Its transparent design enables easy visual inspection while providing excellent insulation against moisture and dust. Certified for temperatures from -55°C to +125°C, this kit is perfect for professional-grade electrical protection. Packaged in a convenient storage case, it ensures quick access and organized workflow for any project.

Specifications

ASIN	B01M6YB9CB
Brand	Ginsco
Color	Clear
Customer Reviews	4.5 4.5 out of 5 stars (857)
Enclosure Material	Polyolefin
Installation Type	Heat Shrink
Item Dimensions L x W	45L x 3W millimeters
Manufacturer	Ginsco
Mfr Part Number	N006
Model Number	N006
Number of Pieces	324
Style Name	Single
UPC	610731355562
Unit Count	1 Count

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