Dual Wall Heat Shrink Tubing Manufacturer

Dual Wall Heat Shrink Tubing

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Dual Wall Heat Shrink Tubing, SBRS-(4X)GRO

Model: SBRS-(4X)GRO

Semi-rigid adhesive-lined cross-linked polyolefin heat shrinkable tubing

SBRS-(4X)GRO dual wall heat shrink tubing is 4:1 semi-rigid adhesive-lined heat shrinkable tubing designed for insulating, sealing and protecting wire splices, terminals, connectors and in-line electronic components from fluids, moisture, corrosion and abrasion.

Features

4:1 shrink ratio
Super sealing against water, moisture or other contaminates

Continuous operating temperature: -45℃～125℃
Fully shrink temperature: ≥125℃

Technical Data

Property	Test Method	Standard Performance	Typical Performance
Tensile strength (MPa)	ASTM D2671	≥10.4	11.5
Elongation (%)	ASTM D2671	≥300	450
Tensile strength after aging (MPa)	UL224 158℃×168hr	≥7.3	8.5
Elongation after aging (%)	UL224 158℃×168hr	≥200	350
Dielectric strength (kV/mm)	IEC 60243	≥15	17.5
Volume resistivity (Ω.cm)	IEC 60093	≥1×10¹⁴	2.5×10¹⁴

Adhesive

Property	Test Method	Standard Performance
Water absorption	ASTM D570	＜0.2%
Softening point (℃)	ASTM E28	95±5
Peel strength (PE)	ASTM D 1000	120N/25mm
Peel strength (AL)	ASTM D 1000	80N/25mm

Dimensions

Size (mm)	As Supplied (mm)	After Recovery (mm)			Standard Package (m/spool)
Size (mm)	Min I.D.	Max I.D.	Total W.T.	Adhesive Thickness	Standard Package (m/spool)
Ø4.0	≥4.0	≤1.00	1.40±0.30	0.70±0.20	200
Ø5.75	≥5.8	≤1.27	1.70±0.30	0.80±0.20	100
Ø7.4	≥7.4	≤1.65	2.00±0.30	0.95±0.20	100
Ø10.8	≥10.8	≤2.41	2.45±0.40	1.20±0.20	50
Ø12.0	≥12.0	≤2.41	2.45±0.40	1.20±0.20	50
Ø14.0	≥14.0	≤3.50	2.50±0.40	1.20±0.30	1.22
Ø16.0	≥16.0	≤4.00	2.60±0.40	1.35±0.30	1.22
Ø17.78	≥17.80	≤4.20	2.60±0.40	1.35±0.30	1.22