7.44mm ID 4:1 Quick Seal, Adhesive Lined Heat Shrink Tubing, Halogen Free, Clear Jacket with Black Adhesive

*Custom configurations available

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Quick Seal, Dual Wall Adhesive Lined Heat Shrinkable Tubing

4:1 Shrink Ratio

Halogen Free


Specially designed to protect inline splices, wire harness joints, and grounding ring terminals against damage in automotive environments. The clear jacket with black meltable thermoplastic adhesive allows for quick inspection after installation. QNBK provides outstanding physical, chemical, and electrical properties.

Operating temperature: -40°C to +125°C
Minimum Full recovery temperature: 115°C
Standard color: Clear jacket with inner Black adhesive
RoHS Compliant



Additional information




As Supplied ID (min)

Recovered ID (max)

Recovered Wall Thickness


Min Operating Temperature (°C)

Max Operating Temperature (°C)


Shrink Ratio


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Print Certificates

May 26, 2024

Certificate of RoHS Compliance

Qualtek Electronics certifies the following part number QNBK-2-01-QB48IN-5 is RoHS Compliant 2011/65/EU Ammended to 2015/863/EU

Certificate of REACH Compliance

We, Qualtek Electronics Corporation, declare that the following part number QNBK-2-01-QB48IN-5 does not contain any SVHC substances listed in ECHA’s website: http://echa.europa.eu/chem_data/authorisation_process/candidate_list_table_en.asp of January 2024 in concentrations greater than 0.1% (w/w), and does not contain any substances as described in Annex XVII.


Qualtek Electronics Corporation products do not contain any chemicals considered PoP, Persistent Organic Pollutants, Directive (EU) 2019/1021.

EU Biocides

Qualtek Electronics Corporation certifies that bicoides are not used in products or packaging materials and meet the requirements set by the Biocidal Regulation (BPR) EU 528/2012.

California Proposition 65 Information Can be found at:

Prop 65 Statement

Qualtek Electronics • 7610 Jenther Drive • Mentor, OH 44060 USA