3:1 Shrink Ratio Adhesive Lined -55°C to 125°C

W-1-SB(3X) Dual Wall Adhesive-Lined Heat-Shrink Polyolefin Tubing

Adhesive lined heat shrink tubing with environmental sealing capability for a wide variety of electrical applications, including automotive and marine wire harness, wire splices, breakouts, and connector-to-cable transitions.

3:1 shrink ratio

Longitudinal shrink ratio: ≤+8%

Outer jacket flame retardant, inner adhesive self-extinguished

Super sealing against water, moisture or other contaminants

Continuous operating temperature: -55°C to 125°C

Shrink temperature: 120°C

Dimensions & Packaging

As supplied ID, after recovery dimensions, and standard package (m/spool)

Inch	mm	As supplied ID (mm)	After Recovery ID (mm)	Total Wall Thickness (mm)	Adhesive Thickness (mm)	Standard Package (m/spool)

*Standard package is meters per spool (m/spool) unless otherwise noted.

Technical Data

Material properties and hot melt adhesive performance

Tubing Properties

Test Item	Test Method	Test Result
Tensile Strength (MPa)	ASTM D2671	≥10.4
Elongation (%)	ASTM D2671	≥300
Tensile Strength after Aging (MPa)	UL224 158°C×168h	≥7.3
Elongation after Aging (%)	UL224 158°C×168h	≥200
Dielectric Strength (kV/mm)	IEC 243	≥15
Volume Resistance (Ω·cm)	ASTM D876	≥10¹⁴

Hot Melting Adhesive Property

Test Item	Test Method	Test Result
Water absorption ratio	ASTM D570	<0.2%
Softening point	ASTM E8	95°C
Strength of peeling (PE)	ASTM D1000	120 N/25mm
Strength of peeling (AL)	ASTM D1000	80 N/25mm

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