TF21 is a highly flexible thin wall heat shrink tubing with a 2-to-1 shrink ratio and excellent flame retardant properties. Part number 309-21273 provides this functionality. In addition to providing insulation and abrasion protection for wires and cables, the polyolefin material also offers resistance to oils, solvents and chemicals. TF21 is UL Recognized with a UL 224 VW-1 flame rating.

Quick and easy shrinking TF21 tubing is widely used for insulating. mechanical protection. strain relief. marking. and bundling. The excellent balance of electrical. mechanical and chemical properties meet and exceed industrial standards. TF21 is UL-224 listed and available in a wide range of sizes and colors.

The product is made from Polyolefin, cross-linked (XLPO) and is engineered for an operating temperature range of -67F to +275F (-55C to +135C) and is supplied in Orange (OG), High Voltage (HV) and should be stored in Store in a sealed package. Avoid direct heat sources and sunlight. Ideal storage conditions: 73F (22.8C), 50% RH with intended use for For Indoor Use Only.

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