12mm 3:1 Ratio Polyolefin Heat-Shrink Tubing, violet
(actual product not shown - the actual brand is now the superior Sumitube from Sumitomo)
We are offering this high-end heat-shrink tubing, by the foot, at the same per-foot price that you would expect to pay for a full spool.
The nominal diameter of the tubing is 12mm (before shrinking) and it can shrink as small as 4mm, which is the basis of the 3:1 shrink ratio designation. Some sellers label this same product as 1/2".
3:1 Polyolefin heat shrink is very versatile, making it one of the most popular types available. It shrinks at 125°C and has a wide operating temperature range of -55°C (-67°F) to 135°C (275°F).
If you buy 4 feet of this shrink from the manufacture's website, you will pay $1.95 per foot, but we are offering it here for just $1.59 per foot, which is less that you would pay even if you were to purchase a full spool. The quantity represents the number of meters, so for example, if you order a quantity of "10" you will get ten meters (32.8 feet) of heat shrink tubing.
This picture gives you a better look at the un-shrunk tubing itself. For what it's worth, on my color-calibrated monitor, these pictures look just slightly more violet than the shrink tubing itself. Naturally, what you see is may vary slightly as the purples seem to be among the most difficult to render accurately.
Here we shrunk the end of a piece of the tubing to give you an idea of the shrink ratio.
This is a close-up of the product label.
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