Insultab has a lot of experience spotting where people go wrong when it comes to measuring heat shrink tubing. It’s actually simple when you have a common vocabulary and know the right formulas.
Here is the information you will need to get your tubing measurements right – so you get exactly what you need for your project. …or better yet, call Insultab’s Customer Service team, and they will do it for you.
One of the most important tasks is choosing the size of tubing needed for your project. Here is how it is done. First, take your tubing and lay it flat on a smooth surface. Next measure the width of the flattened tubing. Then multiply the width by 2 and divide this number by Pi (I bet you remember this one from school 3.1416) and you have your answer – this is the tubing diameter you will need for your project.