HS4X 4:1 Tube thermorétractable double paroi avec adhésif

YOCL ELECTRIC HS4X adhesive-lined heat shrink tubing provides 4:1 recovery for large connectors, cable joints and significant diameter transitions. Flexible polyolefin and hot-melt adhesive combine electrical insulation, environmental sealing and mechanical protection.

Nine sizes: 4.0/1.0 mm to 52.0/13.0 mm.
Initial shrink: ≥70°C; full shrink: ≥125°C.
Operating temperature: -45°C to +125°C.
UV resistant and RoHS compliant; standard color: Black.
4–8 mm sizes supplied in rolls; larger sizes in 1.22 m lengths.

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Aperçu

YOCL ELECTRIC HS4X adhesive-lined heat shrink tubing provides a 4:1 shrink ratio for connections with substantial differences between the installation diameter and the final cable diameter. It passes over larger terminals, connectors and cable joints before recovering around the smaller component underneath.

The dual-wall construction uses a flexible polyolefin outer layer for electrical insulation and mechanical protection, together with a hot-melt adhesive inner layer for environmental sealing. During heating, the outer layer contracts while the adhesive softens and flows around the underlying surface. After cooling, the adhesive helps protect the connection against water, moisture and corrosion.

The series covers nine sizes with supplied internal diameters from 4 mm to 52 mm and maximum recovered internal diameters from 1 mm to 13 mm.

Caractéristiques

4:1 recovery: Accommodates large diameter transitions between connectors, terminals and cables.
Dual-wall construction: Combines flexible polyolefin insulation with a hot-melt adhesive sealing layer.
Environmental protection: Adhesive flow helps seal connections against water, moisture and corrosion.
UV resistance: Specified for applications requiring resistance to ultraviolet exposure.
Size-specific packaging: Smaller sizes are supplied in rolls; larger sizes in 1.22 m lengths.
Color availability: Black is standard; 10 standard colors available.

Spécifications techniques

Parameter	Specification
Brand	YOCL ÉLECTRIQUE
Series	HS4X
Product type	Dual-wall adhesive-lined heat shrink tubing
Shrink ratio	4:1
Outer layer	Flexible polyolefin
Inner layer	Hot-melt adhesive
Supplied I.D. size range	4–52 mm
Maximum recovered I.D. limits	1–13 mm, according to size
Number of sizes	9
Initial shrink temperature	≥70°C
Full shrink temperature	≥125°C
Température de fonctionnement	-45°C to +125°C
UV resistance	Yes
Environmental standard	RoHS
Standard color	Black
Color availability	10 standard colors available
Packaging format	Rolls for 4, 6 and 8 mm sizes; 1.22 m/pc for 12–52 mm sizes

Initial and full shrink temperatures describe recovery during installation. The operating temperature is the intended service range.

Outer-Layer Performance

Property	Specification	Supplied test method or condition
Tensile strength	≥10.4 MPa	ASTM D2671
Elongation at break	≥200%	ASTM D2671
Tensile strength after aging	≥7.3 MPa	158°C × 168 hours
Elongation after aging	≥100%	158°C × 168 hours
Axial change	-8% to +8%	ASTM D2671
Breakdown strength	≥15 kV/mm	IEC 60243
Volume resistivity	≥10¹⁴ Ω·cm	IEC 60093

Hot-Melt Adhesive Performance

Property	Specification	Supplied test method
Softening point	95 ± 5°C	ASTM E28
Water absorption	<0.2%	ASTM D570
Peel strength, first listed value	≥120 N/25 mm	ASTM D1000
Peel strength, second listed value	≥80 N/25 mm	ASTM D1000

The two peel-strength values are supplied without identifying the substrate associated with each value.

Dimension

Size	Supplied I.D.	Max. I.D. After Recovery	Total Wall Thickness	Adhesive Layer Thickness	Standard Packaging
4.0/1.0 mm	≥4.0 mm	≤1.0 mm	1.05 ± 0.30 mm	0.50 ± 0.30 mm	200 m
6.0/1.5 mm	≥6.0 mm	≤1.5 mm	1.15 ± 0.30 mm	0.50 ± 0.30 mm	100 m
8.0/2.0 mm	≥8.0 mm	≤2.0 mm	1.15 ± 0.30 mm	0.60 ± 0.30 mm	100 m
12.0/3.0 mm	≥12.0 mm	≤3.0 mm	1.75 ± 0.30 mm	0.60 ± 0.30 mm	1.22 m/pc
16.0/4.0 mm	≥16.0 mm	≤4.0 mm	2.00 ± 0.30 mm	0.70 ± 0.30 mm	1.22 m/pc
20.0/5.0 mm	≥20.0 mm	≤5.0 mm	2.30 ± 0.40 mm	0.70 ± 0.30 mm	1.22 m/pc
24.0/6.0 mm	≥24.0 mm	≤6.0 mm	2.60 ± 0.40 mm	0.75 ± 0.30 mm	1.22 m/pc
32.0/8.0 mm	≥32.0 mm	≤8.0 mm	3.00 ± 0.50 mm	0.90 ± 0.30 mm	1.22 m/pc
52.0/13.0 mm	≥52.0 mm	≤13.0 mm	3.35 ± 0.50 mm	0.95 ± 0.30 mm	1.22 m/pc

Size designations show supplied/recovered diameters. Use the individual ≥/≤ limits and thickness tolerances when selecting a size.

Selection Guide

Select a supplied I.D. large enough to pass over the largest connector, terminal or component, then check that the recovered I.D. suits the smaller cable or surface requiring sealing. The 4:1 ratio is useful where the installation diameter is substantially greater than the final diameter.

For example, the 32.0/8.0 mm size has supplied I.D. ≥32.0 mm and maximum recovered I.D. ≤8.0 mm, with total wall thickness 3.00 ± 0.50 mm and adhesive-layer thickness 0.90 ± 0.30 mm. Check both thicknesses and axial change against the space and coverage required.

Standard Packaging

Supplied size	Packaging
4 mm	200 m/roll
6 mm	100 m/roll
8 mm	100 m/roll
12 / 16 / 20 / 24 / 32 / 52 mm	1.22 m/pc

Applications

Large connectors, terminals, cable joints and wire splices.
Automotive wire harness insulation and sealing.
Marine wiring and moisture-sensitive connections.
Cable branches and irregular-shaped components requiring environmental sealing.
Cable and metal tubing protection against moisture and corrosion.

Ordering Information

Specify HS4X, the supplied/recovered size, required color and quantity when requesting a quotation from YOCL ELECTRIC. Black is the standard color. The series lists 10 standard colors without identifying their individual names. Refer to the size table for standard packaging and state whether the order is for rolls or 1.22 m pieces.