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For me they feel more like plastic ... once shrunk they are more rigid ... but still it keep some elasticity (less as not shrunk) ... so .. something between the two
All shrink tubes based on plactic. I like hobbyking's tubes because they have more rubber feel. I used cheap tubes bought in local shop - they feels like plastic bag and looks unreliable. Feel also depends by color. Red is more plastic, black and yellow is more rubber. Transparent is more rubber and flexy too. I recommend to buy a lot of diameters and colors. Once you tried shrink tubes you will never wanna use regular isolation tape. Hope that helps.
No, they are only showing you how it will shrink when you heat it. I use the side of my soldering iron along the sides of the tubing on each side to shrink it down.
The tubing comes in 1 meter length rolled up and taped with scotch tape.
If you don't have a heat gun you can just use a lighter. Keep the flame 2 inches away from the tubing and keep the flame moving. don't hold it in one place. Let the tubing cool for about 30 seconds before handling.
Yes, even though I myself use 4mm. But I get a feeling 3mm will be a tighter fit but in the end, it depends on the wire. Don't forget to use buddycodes, it will only cost you $.04 instead of the $.25!
Very easy to work with. Just note the diameter of the tubing and make sure it'll fit around the wire you're soldering.
Also remember to put the tubing onto the wire BEFORE soldering on connectors.
It is consistently good, however it is not the highest shrink ratio you can get. this is about 2:1, you can get 3:1 and 4:1 - However this is great for most things and is at a brilliant price and a good length of it :-) Well worth a buy for most applications.
Hey I do that all the time. Use long nose plyers to pull it apart. You can turn the plyers inside around to make it even biger. I get mine 2x the size if I need to.
The best use is recommended for each type of cable, but in an emergency you insert the tip of the pliers inside as much as possible and opens the pliers, and extends it in full. Recalling that will lose efficiency designed by the manufacturer.
this will shrink to almost 1/2 its current size but you can not really expand it
just by the size you need or as I do I buy several different sizes so I know I always have what I need
If you need a larger diameter, just get some larger heatshrink. If you still need it to shrink down to 1.5mm, have a look for a specialist heatshrink supplier with the needed diameter and a high shrink ratio, EG 4:1 heatshrink in 8mm diameter will shrink down to 2mm. This stuff is around 2:1.
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