https://www.fdhelectronics.com/catalog/harness-management/tubing-products/ws-series-heat-shrink-sleeving/ual-wall-adhesive-lined-flexible-polyolefin-tubing/ws403-11-2-cs
WS403 Dual-Wall Adhesive Lined Flexible Polyolefin Tubing | WS403-11/2-CS | FDH Electronics
WS403 is a flame-retardant, flexible crosslinked polyolefin with a thick inner wall of adhesive. It offers a meltable inner liner that both bonds and...