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Dual Wall Adhesive Heat Shrink Tube

Shanghai Lontom Electric Material Co., Ltd.

Dual Wall Adhesive Heat Shrink Tube

Place of Origin : Shanghai, China

Brand Name : LONTOM

Model Number : LT-DWHST

Certification : UL, SGS

Packaging Details : 1.22 meters per piece, then carton

Delivery Time : 15~30 days

Payment Terms : T/T in advance or L/C at sight

Supply Ability : 1,000,000 Meters Heat Shrink Tube per Month

MOQ : 1000 meters per item,

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Flexible Dual Wall Heat Shrink Tube has adopted flame retardant, cross-lined polyolefin , with an inner coating of hot-melt adhesive and an outer layer that shrinks to provide electrical and mechanical protection.Insulates and seals a variety of electrical wirings.

The outer material has feature of better flexible,low temperature quick shrinking, insulation, wearproof , decay resistance

Main Properties:

1.Continue operating Temperature:-45°C~125°C;

2.Shrink Temperature :Start at 70°C;full recovery at 125°C;

3.Inner layer glue melt temperature:70°C~100°C;

4.Shrinking ratio:2:1,3:1, 4:1

5.Waterproof , RoHS compliant, outer layer Flame-retardant.

6.Standard color: Black (Other color available upon request.)

Technical Data:

PropertyTest MethodStandard
Tensile Strength(MPa)ASTMD 2671≥10.4
Elongation at Break(%)ASTMD 2671≥300
Tensile Strength after Aging(MPa)UL 224 158°C×168h≥7.3
Elongation at Break after Aging(%)UL 224 158°C×168h≥200
Dielectric strength(kv/mm)IEC 243≥15
Volume Resistance(Ω.cm)IEC 243≥1×1014
Adhesive Line Property:
PropertyTest MethodStandard
Water AbsorptionASTM-D570<0.2%
Softening PointASTM-E895°C
Peel Strength(PE)ASTM-D1000120N/25m
Peel Strength(AL)ASTM-D100085N/25m


It is widely used for all kinds ofautomotive wire harnesses, and is especially useful in harsh environments or where special protection is required.


(3:1 dual wall heat shrink tube)

SizeAs supplied(mm)After recovered(mm)Standard packageApplication Range
InchmmMin. I.D.Wall ThicknessMax. I.D.Total W.T.Adhesive ThicknessMeter/Spool
1/2Φ12.712.70.68±±0.150.50±0.121.22 meter/pc4.4~12.5
5/8Φ15.0150.70±±0.150.55±0.151.22 meter/pc5.4~14.8
3/4Φ19.119.10.76±±0.150.55±0.151.22 meter/pc6.5~18.8
1Φ25.425.40.78±±0.200.55±0.151.22 meter/pc8.8~25
1-1/4Φ30.0300.80±0.1010.22.20±0.200.60±0.151.22 meter/pc10.5~30
1-1/2Φ39.0390.85±0.1013.52.50±0.200.60±0.151.22 meter/pc14.0~39
2Φ50.0500.95±0.10172.80±0.250.70±0.151.22 meter/pc17.5~49
2-1/2Φ64640.95±0.10213.00±0.250.70±0.151.22 meter/pc22~62

Product Tags:

heat shrink tube


heat shrink tubing


adhesive heat shrink tube

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