20/02/2026

Heat Shrinkable Tubing 2:1 on a Reel 6,4/3,2 black
Art.-No. 300-30640 | HIS-PACK-6.4/3.2-PO-X-BK

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  • Tubing is 2:1, thin wall that provides protection against corrosion and mechanical abrasion.
  • Available in multiple colors and sizes for easy marking and handling.
  • Conveniently stored in a handy dispenser box for quick and easy use.
Application HIS-PACK is used in general purpose of electrical insulation with a high level of protection against corrosion and mechanical abrasion.
Behaviour at Heat Shock not dripping
Brand Family HIS-Series
Color Black (BK)
Description HIS-PACK Heat Shrink is a general-purpose, thin-wall Polyolefin tubing that provides electrical insulation and protection against corrosion and mechanical abrasion. HIS-PACKs are available in multiple colors and ten sizes ranging from 1/16" (1.2mm) to 1" (25.4mm). Tubing is conveniently stored in a handy dispenser box with hang tag and is RoHS approved.
Heat Aging Test 168h/175°C
Heat Shock Test 4h/250°C
PART DESCRIPTION HIS-PACK-6.4/3.2-PO-X-BK
Packaging Type box
Part No. 300-30640
Product family Insulation
Short Desc. Heat Shrink Tubing, Non-Adh, 2:1 Shrink Ratio, .25" Supp/.125" Recov Dia, PO-X, Black, 16.4ft/pkg
Type HIS-PACK-6.4/3.2
For Object Outside Diameter 3.84-5.76 mm
Length (imperial) 16.4ft
Length (metric) 5.0m
Longitudinal Change After Shrinkage +/-5%
Nominal Diameter (imperial) 0.25"
Nominal Diameter (metric) 6.4mm
Printable No
Recovered Diameter (imperial) 0.125"
Recovered Diameter (metric) 3.2mm
Reel Length (imperial) 16.4ft
Shrink Ratio 2:1
Size (imperial) 1/4"
Supplied Diameter (imperial) 0.25"
Supplied Diameter (metric) 6.4mm
Trade Size 1/4 "
Volume Resistance 10¹⁴ Ω cm
Wall Thickness (imperial) .023"
Wall Thickness (metric) 0.60mm
Dielectric Strength 20kV/mm
Dielectric Strength test method IEC 243
Elongation at break (min.) 800%
Elongation at break test method IEC 684 P2
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 +257°F (-55°C to +125°C)
REACH Conformity No
ROHS compliant Yes
UL File Number [Logo] E143529 [cRUus]
UL Listed (US and Canada) No
UL Listed (US) No
UL Recognized (US and Canada) Yes
UL Recognized (US) Yes
Customs Number (Schedule B) 3926909988
Packaging 1 - Weight (kg) 0.258kg
Pkg. Qty. 5m
Pkg. Qty. 5
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