Heat shrinkable tubing 2:1 (76.2/38.1 mm), thin-wall, black, 15 m reel
Art.-No. 309-60220 | TFN21 76.2/38.1-PO-X-BK

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.

Package size

15 m

15.24 m

30 m

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Application	TFN21 is suitable for a wide range of applications like electrical insulations, mechanical protection and cable bundling.
Behaviour At Low Temperature	not cracking
Behaviour at Heat Shock	not cracking, not breaking, not fluid
Behaviour at low Temperature test method	UL 224
Color	Black (BK)
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.
Elongation At Heat Aging	700%
Heat Aging Test	168h/175°C
Heat Aging test method	UL 224
Heat Shock Test	4h/250°C
Minimum Tensile Strength At Heat Aging	13.5MPa
PART DESCRIPTION	TFN21 76.2/38.1-PO-X-BK
Packaging Type	reel
Part No.	309-60220
Product family	Insulation
Type	TFN21 76.2/38.1


For Object Outside Diameter	45.72-68.58 mm
Longitudinal Change After Shrinkage	+/-5%
Printable	No
Recovered Diameter (metric)	38.1mm
Shrink Ratio	2:1
Supplied Diameter (metric)	76.2mm
Volume Resistance	10¹⁴ Ω cm
Wall Thickness (metric)	1.20mm

Dielectric Strength	20kV/mm
Dielectric Strength test method	ASTM D150
Elongation at break (min.)	600%
Elongation at break test method	ASTM D2671
Flammability	UL 224 VW-1
Halogen Free	No
Material	PO-X
Material	Polyolefin, cross-linked (PO-X)
Min. Shrink Temperature	+158 °F (+70 °C)
Operating Temperature	-67°F to +275°F (-55°C to +135°C)
REACH Conformity	No
ROHS compliant	Yes
Test Method Tensile Strength	ASTM D2671
UL File Number [Logo]	E143529 [cRUus]
UL Recognized (US and Canada)	Yes
UL Recognized (US)	Yes
Volume Resistance test method	UL 224