30/08/2026

Heat Shrink Tubing, Bulk Reel, 2:1 Shrink Ratio, 3/8", 9.5/4.8 Dia, PO, Black, 500 ft/reel


Part No. 309-65153

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  • 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.


Behavior At Low Temperature not cracking
Behavior at Heat Shock not cracking, not breaking, not fluid
Behavior at Low Temperature test method UL 224
Brand Family TFN21
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. Available in mini reels, bulk reels and sticks, for small to large volume applications.
Elongation At Heat Aging 700%
Global Part Number TFN21 9.5/4.8-PO-X-BK
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 Number 309-65153
Product Family Heat Shrinkable Tubing
Product Subfamily Non-Adhesive 2-to-1 Shrink Ratio
Short Description Heat Shrink Tubing, Bulk Reel, 2:1 Shrink Ratio, 3/8", 9.5/4.8 Dia, PO, Black, 500 ft/reel
Type TFN21 9.5/4.8
Bundle Diameter Max. (imperial) 0.37"
Bundle Diameter Max. (metric) 9.5mm
Bundle Diameter Min. (imperial) 0.18"
Bundle Diameter Min. (metric) 4.8mm
For Object Outside Diameter 5.74-8.56 mm
Length (imperial) 500.0ft
Length (metric) 152.4m
Longitudinal Change After Shrinkage +/-5%
Nominal Diameter (imperial) 0.38"
Nominal Diameter (metric) 9.5mm
Printable No
Recovered Diameter (imperial) 0.188"
Recovered Diameter (metric) 4.8mm
Shrink Ratio 2:1
Size (imperial) 3/8"
Supplied Diameter (imperial) 0.375"
Supplied Diameter (metric) 9.5mm
Tensile Strength 14MPa
Trade Size 3/8 "
Volume Resistance 10¹⁴ Ω cm
Wall Thickness (imperial) .024"
Wall Thickness (metric) 0.62mm
CE Certification No
CSA Certified Yes
Dielectric Strength (metric) 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 +212 °F (+100 °C)
Operating Temperature -67°F to +275°F (-55°C to +135°C)
Prop65 Warning No
REACH Conformity Yes
ROHS Compliant Yes
Tensile Strength Test Method ASTM D2671
UL File Number [Logo] E125182 [cRUus]
UL Listed (US and Canada) No
UL Listed (US) No
UL Recognized (US and Canada) Yes
UL Recognized (US) Yes
UV Resistant No
Volume Resistance test method UL 224
Carton Qty. 3
Customs Number 3926909988
GTIN-13 / EAN 4031026475905
Harmonized Tariff Schedule Code 3926.90.9989
Packaging Type pack
Pkg. Qty. 500ft
Pkg. Qty. 152.4m
Reel Length (metric) 150m
UPC 089306362661
Product Keyword heat shrink tubing, thin wall tube, shrink sleeves, thin wall shrink tubing, thin walled tubing, sleeving, sleevings, shrinkable sleeve, shrink sleeve, shrink-on sleeve, shrinkable tubing, heat shrinkable tubing, heat-shrinkable tube, polyolefin shrink tubing, heat shrinkable sleeve, heat-shrinkable sleevings

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