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Adhesive-Line Polyolefin Tubing

ADT Dual Wall Polyolefin Tubing

Manufactured by co-extrusion of polyolefin and hot-melt adhesive. Especially recommended for water-proof for cable and wire harnesses, and protection of connector-to-cable transitions. Typically applied in the insulation and sealing of electrical and electronic components and communication industry.

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Technology R & D Applications

Product description

Parameters

ADT Dual Wall Polyolefin Tubing

Applications

Characteristics

Shrinkage ratio 3:1，4:1

High expansion ratio to provide good sealing protection

Environmental sealing and protection of electrical applications.

Easy installing，stable properties

EVA hot melt adhesive or high melting PA adhesive are available

Characteristics

Operating temperature : -45℃～110℃

Minimum shrink temperature : 80˚C

Minimum fully recovery temperature : 110˚C

Technical Indicators

Property	Test Method	Typical Value
Operating temperature	IEC 216	-45℃～110℃
Tensile strength	ASTM D 2671	12MPa（min）
Tensile strength after aging 158℃，168hrs	ASTM D 2671	10MPa（min）
Elongation at break	ASTM D 2671	400%（min）
Elongation at break after aging 168℃，168hrs	ASTM D 2671	300%（min）
Longitudinal shrinkage	UL223	Pass
Heat shock	250℃，4hrs	No cracking
Cold bend f ﹣40℃，1hr	ASTM D 2671	No breakdown
Voltage withstand AC2500V,，60 seconds	ASTM D 2671	＞1014Ω.cm
Volume resistance	ASTM D 876	Pass
Flammability	SAE-AMS-DTL-2353/5	Pass
Copper corrosion 158℃，168hrs	UL224
Water absorption	ASTM D 570