PEEK.

The 1/32" O.D. PEEK tubing sleeves is designed to be used with any fitting made for 1/32" O.D. tubing when smaller tubing must be connected. It is 1,6" in length. Select the appropriate sleeve from the product listing for your capillary tubing O.D. size. The 1/32" O.D. PEEK tubing sleeves have a maximum recommended temperature of 125 ºC and have a pressure rating of 5000 psi (345 bar).