Is there a limit on the rubber surgical tubing that we can use? We are planning on using it as springs and it does not say that there is a limit on the amount of springs that we can use.
I am going to say no unless there is a compelling case to make this change.
The fact that you are using it as a spring does not really qualify it as a spring for the purposes of additional materials.
Sorry.
If you have a case to make, let me hear it. I may be convinced if you have a good argument.
Joe J.