Grandmaster Flatcap Posted August 18, 2014 Share Posted August 18, 2014 I want to but some heat shrink off Etat and it comes in a variety of sizes. How do I know what size to order? Is 4mm heat shrink the size before heat is applied? If so, how much does this stuff shrink? Ta, Link to comment Share on other sites More sharing options...
Member Jonathan Kay Posted August 18, 2014 Member Share Posted August 18, 2014 No idea which way round that is labelled. Can you link to the item? I buy it in assorted colours and sizes. Jonathan Link to comment Share on other sites More sharing options...
Grandmaster Flatcap Posted August 18, 2014 Author Share Posted August 18, 2014 for example Link to comment Share on other sites More sharing options...
Member Jonathan Kay Posted August 18, 2014 Member Share Posted August 18, 2014 I'd guess it' "before". Ask them? Jonathan Link to comment Share on other sites More sharing options...
Dr Slotter Posted August 18, 2014 Share Posted August 18, 2014 The vast majority of heatshrink has a shrink ratio of either 2:1 or 3:1. Depends what it is made of. Link to comment Share on other sites More sharing options...
Stationary M25 Traveller Posted August 18, 2014 Share Posted August 18, 2014 Before ... and quite a bit ! Link to comment Share on other sites More sharing options...
Grubbster Posted August 18, 2014 Share Posted August 18, 2014 If you want to see it before you choose and if you've got a Toolstation nearby you can pick it up quite cheaply from them here or at Maplins. Link to comment Share on other sites More sharing options...
shn7 Posted August 18, 2014 Share Posted August 18, 2014 Strangely from the title I was expecting this to be about a lady and her little rabbit 😳 Link to comment Share on other sites More sharing options...
Support Team c7trp Posted August 18, 2014 Support Team Share Posted August 18, 2014 Nigel, Try CPC Trade Counter north Preston near Asda Link to comment Share on other sites More sharing options...
OliverSedlacek Posted August 18, 2014 Share Posted August 18, 2014 It's the before size. Most heatshrink is 2:1 but you can also get 3:1 Link to comment Share on other sites More sharing options...
Myles Posted August 19, 2014 Share Posted August 19, 2014 What's the preferred technique for sealing a chunky connection that has fairly-modest wires leading to it? E.g. Some kind of inline component - or maybe just a bodge of stacked spade connectors? Heatshrink big enough to contain the component/bodged connector generally won't be able to shrink down enough onto the wires themselves. I did have to bodge something at the weekend this way (and kinda crimped the ends of the heatshrink with pliers) but also have some legitimate challenges along these lines! Link to comment Share on other sites More sharing options...
brookside2004 Posted August 19, 2014 Share Posted August 19, 2014 I've had various challenges of this type, usually around test leads. The major risk is usually around flexing of the wire at the point closest to the joint. In most cases a small in-line box or housing of some description, particularly if it has it's own cable clamp is the best solution. Failing that I have been successful using soldered or spade joints, protecting them with multiple layers of heat-shrink of gradually increased diameter to a significant point beyond the joint, thus providing support to the delicate cables. Link to comment Share on other sites More sharing options...
Ian B Posted August 19, 2014 Share Posted August 19, 2014 Adhesive lined heatshrink 'clamped' at the ends, or a proper box with sleeved grommets and heatshrink over the grommet sleeve. Link to comment Share on other sites More sharing options...
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