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FIT-221-3/8 Alpha Wire Tubing, Heat Shrink

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FIT-221-3/8 BK103 - Heat Shrink Tubing, FIT 221, Pack of 25 4' Pieces, Black, PO (Polyolefin), 2:1, 9.53 mm, 4.75 mm

FIT-221-3/8 Alpha Wire Tubing, Heat Shrink

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The FIT-221-3/8 BK103 is a 100ft black multipurpose irradiated polyolefin Heat Shrink Tube ideal for harnessing, wire bundling, strain reliefs or any applications where components must be insulated or packaged. FIT® 221 frame-retardant tubing has a shrink ratio approximately 2:1 at 121°C.
No corrosion
1500PSI Tensile strength
1 x 10¹⁴Ω-cm Volume resistivity


Product Information
Shrink Tubing / Boot Colour: Black Shrink Tubing / Boot Material: PO (Polyolefin) Shrink Ratio: 2:1 I.D. Supplied - Metric: 9.53mm I.D. Recovered Max - Metric: 4.75mm Length - Metric: 1.2m I.D. Supplied - Imperial: 0.375" I.D. Recovered Max - Imperial: 0.187" Length - Imperial: 4ft Product Range: FIT 221 Series

Our FIT-221-3/4 heat shrink tubing is part of our Alpha Wire, Cable, & Tubing line. It has an expanded outer diameter of 3/4 and a 2:1 shrink ratio at 121°C. Alpha FIT-221 is made of irradiated polyolefin (PO) material with an operational temperature range of -55°C to 135°C, a max tensile strength of 1500 psi and a dielectric strength of 800 V/mil. This heat shrink tubing is designed to reduce production time and protect heat sensitive components in automatic assembly and cable jacketing applications. FIT-221-3/4 possesses excellent physical, chemical, and electrical properties. When heated, the tubing forms a tight mechanical bond, providing insulation and protection.

Additional Information

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