TexMed Fluoroplastic Medical Grade Heat Shrinkable Tubing includes PTFE, PFA, FEP, ETFE, PEEK, and PEI formulations that are Class VI approved and offered with shrink ratios of 1.3:1 up to 4:1, depending on the material. Featuring a variety of standard and custom sizes from 0.001 in. I.D. up to 6.0 in. expanded, this medical-grade tubing requires no adhesive when applied to metals, glass, stainless steel, and many other substrates.