Specification Sheet Part Number: 309-65143 Thin, 2 to 1 shrink ratio tubing provides insulation and abrasion protection for wires and cables. Flammability rating of UL224 VW-1 for use in applications requiring the highest degree of flame protection (excludes clear tubing). Flexible-yet-durable material resists most common oils, chemicals and fluids. Available in a variety of diameters and colors for identifying and marking wires and cables. Available in mini reels, bulk reels, and sticks for small to large volume applications. Heat Shrink Tubing, Bulk Reel, 2:1 Shrink Ratio, 1/4 , 6.4/3.2 Dia, PO, Black, 1000 ft/reel Article Number 309-65143 Type TFN21 6.4/3.2 Color Black (BK) Quantity Per reelProduct Description TFN21 is a highly flexible thin wall heat shrink tubing with a 2 to 1 shrink ratio and excellent flame retardant properties. In addition to providing insulation and abrasion protection for wires and cables, the polyolefin material also offers resistance to oils, solvents and chemicals. Available in mini reels, bulk reels and sticks, for small to large volume applications. Short Description Heat Shrink Tubing, Bulk Reel, 2:1 Shrink Ratio, 1/4 , 6.4/3.2 Dia, PO, Black, 1000 ft/reel Global Part Name TFN21 6.4/3.2-PO-X-BK Length L (Imperial) 1000.0 Length L (Metric) 304.8 Variant Thin-Wall Nominal Diameter (Imperial) 0.25 Nominal Diameter (Metric) 6.4 Wall Thickness WT (Imperial) .022 Wall Thickness WT (Metric) 0.56 Material Polyolefin, cross-linked (PO-X) Material Shortcut PO-X