HEAT SHRINK TUBING RED POLYOLEFIN 2:1 100FT ROLL 1/16″ ID 1.5875 mm HST116R THERMOSLEEVE HST SERIES HST116R. RED POLYOLEFIN 2:1 HEAT SHRINK TUBING. Polyolefin Halogen Free Material. This tubing is free of Pb,Cd, Hg,Cr+6, PBB and PBDE.Thermosleeve HST can be used in any enclosed. byJuly 4, 2026