[sdiy] Large heat shrink alternative (cling wrap)

[Dave Magnuson]

Hi John,

They sell heat shrink tape for about $10 a roll.   Available from many
sources

Dave

-----Original Message-----
From: Synth-diy <synth-diy-bounces at synth-diy.org> On Behalf Of John Speth
via Synth-diy
Sent: Friday, June 12, 2020 11:49 AM
To: SYNTH DIY <synth-diy at synth-diy.org>
Subject: [sdiy] Large heat shrink alternative (cling wrap)

Does anybody have any experience or knowledge about food grade LDPE cling
wrap long term performance in heat shrink applications?

I'm doing an organ repair in which I need to physically gang capacitors. 
For that I'd need 4 inch heat shrink tubing. It's around total $50 for me to
get 4 feet of it from Mouser, too much for me. I've decided to use grocery
store variety cling wrap and gently heat it to shrink it. A couple of tests
tells me it'll work just fine. My only concern is longevity. For example,
what will it look like in 5 or 10 or 20 years? 
Hopefully not a pile of old dried out crumbly plastic shards. The product
I'm using is LDPE (low density polyethylene), according to the product box.
I couldn't find information about how it ages.

Thanks - JJS

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