Ordering a size close to your max OD also will ensure the thinnest possible wall since the wall thickness increases as it recovers.Ī final note on applying heat: Check the recommended temperatures for Pebax or Polyolefin, and don't overdo it! The tubing is so thin that you’ll see it react when you apply heat correctly. With 4:1 tubing, it’s more important to pay attention to the expanded ID number rather than the recovered ID number. We advise customers to order an ID size just a little larger than the max OD of their substrate. Getting the right size of tubing is essential. If you're using the whole piece at once, cut off one neck, inflate the tubing, and insert your component before applying heat. Then, do the same for the other piece of tubing. Next, slide your component into the inflated tube and apply heat using a hotbox or heat gun. To inflate the tubing, simply slide the neck onto the EFD tip attached to the nozzle of your hot box or air hose and add room-temperature air.
Leaving the neck as is, cut length of tubing you need, plus a little extra to allow for some shrinkage. Here’s our first tip: Don’t cut them off! Here’s what to do. The tubing sample arrives in about a 12" length with an unexpected feature-a “neck” on each end. It’s much thinner-more like household plastic wrap than a plastic straw. No, the FedEx truck didn’t run over your sample-it’s just that the walls are incredibly thin.Ĥ:1 tubing is completely different from other heat shrink tubing. When you first order a sample of our 4:1 Pebax® or Polyolefin Heat Shrink Tubing, you might be surprised when it arrives individually wrapped and completely flat.
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