Here’s What You Must Know About Pneumatic Tubing & Fittings
Pu Tubing Manufacturer prefers Nylon and Polyethylene due to its high demand among its users. For chemical resistance also, Nylon and Polyethylene are best.
https://www.academia.edu/40563739/Heres_What_You_Must_Know_About_Pneumatic_Tubing_and_Fittings