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Dual-Wall Tubings

Dunbar Dual-Wall Tubings are semi-rigid or flexible, high-shrink-ratio, flame-retardant, and heat-shrinkable polyolefin tubes. These tubings come with an adhesive lining that forms an environmental seal that helps protect against moisture. The dual-wall tubing offers excellent electrical properties and high resistance to abrasion, chemicals, and oils. These dual-wall tubings are UL VW-1 (Jacket only) flammable and comply with RoHS and REACH. The dual-wall tubings can be used to seal and protect a wide variety of electrical applications, including wire splices, breakouts, and connectors-to-cable transitions.

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Part #

Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 3/16in Yellow 4ft

DC-321A-3/16-YELLOW-4FT
Dunbar
1: Rp36.325
184In Stock
566On Order
New At Mouser

Mfr. Part No.
DC-321A-3/16-YELLOW-4FT

Mouser Part No
15-DC321A316YELLOW4F

New At Mouser

Dunbar

Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 3/16in Yellow 4ft

Datasheet

184In Stock

566On Order

Rp36.325

Rp29.904

Rp25.134

Rp22.015

View

Min.: 1
Mult.: 1

Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 3/4in Red 100ft spool

DC-321A-3/4-RED-100FT
Dunbar
100: Rp31.188
200In Stock
New At Mouser

Mfr. Part No.
DC-321A-3/4-RED-100FT

Mouser Part No
15-DC321A34RED-100FT

New At Mouser

Dunbar

Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 3/4in Red 100ft spool

Datasheet

200In Stock

Rp31.188

Min.: 100
Mult.: 100

Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 1/4in Black 4ft SAE AS23053/4-302-0, QPL listed

3635W-1/4-BLACK-4FT
Dunbar
1: Rp118.332
245In Stock
New At Mouser

Mfr. Part No.
3635W-1/4-BLACK-4FT

Mouser Part No
15-3635W-14-BLACK4FT

New At Mouser

Dunbar

Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 1/4in Black 4ft SAE AS23053/4-302-0, QPL listed

Datasheet

245In Stock

Rp118.332

Rp97.234

Rp89.528

Rp73.751

Rp72.100

Min.: 1
Mult.: 1

Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 3/8in Black 4ft SAE AS23053/4 Non Mil-Spec Diameter

3635W-3/8-BLACK-4FT
Dunbar
1: Rp167.316
250In Stock
New At Mouser

Mfr. Part No.
3635W-3/8-BLACK-4FT

Mouser Part No
15-3635W-38-BLACK4FT

New At Mouser

Dunbar

Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 3/8in Black 4ft SAE AS23053/4 Non Mil-Spec Diameter

Datasheet

250In Stock

Rp167.316

Rp137.595

Rp126.587

Rp104.205

Rp102.004

Min.: 1
Mult.: 1

Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 1/2in Red 4ft

DC-321A-1/2-RED-4FT
Dunbar
1: Rp91.547
100In Stock
New At Mouser

Mfr. Part No.
DC-321A-1/2-RED-4FT

Mouser Part No
15-DC-321A-12-RED4FT

New At Mouser

Dunbar

Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 1/2in Red 4ft

Datasheet

100In Stock

Rp91.547

Rp75.402

Rp69.348

Rp55.772

Rp53.203

Min.: 1
Mult.: 1

Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 1in Black 4ft SAE AS23053/4-304-0, QPL listed

3635W-1-BLACK-4FT
Dunbar
1: Rp380.496
100In Stock
New At Mouser

Mfr. Part No.
3635W-1-BLACK-4FT

Mouser Part No
15-3635W-1-BLACK-4FT

New At Mouser

Dunbar

Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 1in Black 4ft SAE AS23053/4-304-0, QPL listed

Datasheet

100In Stock

Rp380.496

Rp313.350

Rp288.216

Rp256.477

Rp256.294

Min.: 1
Mult.: 1

Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 4:1 Polyolefin Dual Wall (adhesive lined), 2in (52mm) Black 4ft

4635WT-2(52MM)-BLACK-4FT
Dunbar
1: Rp848.869
10In Stock
New At Mouser

Mfr. Part No.
4635WT-2(52MM)-BLACK-4FT

Mouser Part No
15-4635WT252MMBLACK4

New At Mouser

Dunbar

Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 4:1 Polyolefin Dual Wall (adhesive lined), 2in (52mm) Black 4ft

Datasheet

10In Stock

Rp848.869

Rp698.983

Rp603.400

Rp603.216

Quote

Min.: 1
Mult.: 1

Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 1in Black 4ft

DC-321A-1-BLACK-4FT
Dunbar
1: Rp113.378
50In Stock
50On Order
New At Mouser

Mfr. Part No.
DC-321A-1-BLACK-4FT

Mouser Part No
15-DC-321A-1BLACK4FT

New At Mouser

Dunbar

Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 1in Black 4ft

Datasheet

50In Stock

50On Order

Rp113.378

Rp93.381

Rp85.859

Rp69.164

Rp65.862

Min.: 1
Mult.: 1

Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 1in Red 100ft spool

DC-321A-1-RED-100FT
Dunbar
100: Rp38.343
500In Stock
New At Mouser

Mfr. Part No.
DC-321A-1-RED-100FT

Mouser Part No
15-DC-321A-1RED100FT

New At Mouser

Dunbar

Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 1in Red 100ft spool

Datasheet

500In Stock

Rp38.343

Min.: 100
Mult.: 100

Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 1/2in Black 100ft spool

DC-321A-1/2-BLACK-100FT
Dunbar
100: Rp15.392
800In Stock
New At Mouser

Mfr. Part No.
DC-321A-1/2-BLACK-100FT

Mouser Part No
15-DC321A12BLACK100F

New At Mouser

Dunbar

Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 1/2in Black 100ft spool

Datasheet

800In Stock

Rp15.392

Rp14.420

Rp14.365

Min.: 100
Mult.: 100

Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 1/2in Clear 4ft

DC-321A-1/2-CLEAR-4FT
Dunbar
1: Rp91.547
100In Stock
New At Mouser

Mfr. Part No.
DC-321A-1/2-CLEAR-4FT

Mouser Part No
15-DC321A12CLEAR-4FT

New At Mouser

Dunbar

Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 1/2in Clear 4ft

Datasheet

100In Stock

Rp91.547

Rp75.402

Rp69.348

Rp55.772

Rp53.203

Min.: 1
Mult.: 1

Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 1/2in Red 100ft

DC-321A-1/2-RED-100FT
Dunbar
100: Rp20.914
400In Stock
New At Mouser

Mfr. Part No.
DC-321A-1/2-RED-100FT

Mouser Part No
15-DC321A12RED-100FT

New At Mouser

Dunbar

Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 1/2in Red 100ft

Datasheet

400In Stock

Rp20.914

Rp20.548

Min.: 100
Mult.: 100

Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 1/2in White 4ft

DC-321A-1/2-WHITE-4FT
Dunbar
1: Rp91.547
100In Stock
New At Mouser

Mfr. Part No.
DC-321A-1/2-WHITE-4FT

Mouser Part No
15-DC321A12WHITE-4FT

New At Mouser

Dunbar

Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 1/2in White 4ft

Datasheet

100In Stock

Rp91.547

Rp75.402

Rp69.348

Rp55.772

Rp53.203

Min.: 1
Mult.: 1

Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 1/8in White 4ft

DC-321A-1/8-WHITE-4FT
Dunbar
1: Rp32.839
500In Stock
New At Mouser

Mfr. Part No.
DC-321A-1/8-WHITE-4FT

Mouser Part No
15-DC321A18WHITE-4FT

New At Mouser

Dunbar

Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 1/8in White 4ft

Datasheet

500In Stock

Rp32.839

Rp27.152

Rp22.933

Rp19.997

View

Min.: 1
Mult.: 1

Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 3/4in Black 4ft SAE AS23053/4 Non Mil-Spec Diameter

3635W-3/4-BLACK-4FT
Dunbar
1: Rp211.346
80In Stock
New At Mouser

Mfr. Part No.
3635W-3/4-BLACK-4FT

Mouser Part No
15-3635W-34-BLACK4FT

New At Mouser

Dunbar

Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 3/4in Black 4ft SAE AS23053/4 Non Mil-Spec Diameter

Datasheet

80In Stock

Rp211.346

Rp196.853

Rp196.302

Min.: 1
Mult.: 1

Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 3/4in Red 4ft SAE AS23053/4 Non Mil-Spec Diameter

3635W-3/4-RED-4FT
Dunbar
1: Rp272.988
50In Stock
New At Mouser

Mfr. Part No.
3635W-3/4-RED-4FT

Mouser Part No
15-3635W-34-RED-4FT

New At Mouser

Dunbar

Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 3/4in Red 4ft SAE AS23053/4 Non Mil-Spec Diameter

Datasheet

50In Stock

Rp272.988

Rp224.555

Rp212.997

Rp204.191

View

Min.: 1
Mult.: 1

Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 3/4in White 4ft SAE AS23053/4 Non Mil-Spec Diameter

3635W-3/4-WHITE-4FT
Dunbar
1: Rp272.988
40In Stock
New At Mouser

Mfr. Part No.
3635W-3/4-WHITE-4FT

Mouser Part No
15-3635W-34-WHITE4FT

New At Mouser

Dunbar

Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 3/4in White 4ft SAE AS23053/4 Non Mil-Spec Diameter

Datasheet

40In Stock

Rp272.988

Rp224.555

Rp212.997

Rp204.191

View

Min.: 1
Mult.: 1

Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 1/2in Black 100ft spool SAE AS23053/4-303-0, QPL listed

3635W-1/2-BLACK-100FT
Dunbar
100: Rp38.894
400In Stock
New At Mouser

Mfr. Part No.
3635W-1/2-BLACK-100FT

Mouser Part No
15-3635W12BLACK100FT

New At Mouser

Dunbar

Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 1/2in Black 100ft spool SAE AS23053/4-303-0, QPL listed

Datasheet

400In Stock

Rp38.894

Min.: 100
Mult.: 100

Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 1/4in Black 250ft spool SAE AS23053/4-302-0, QPL listed

3635W-1/4-BLACK-250FT
Dunbar
250: Rp22.566
1.000In Stock
New At Mouser

Mfr. Part No.
3635W-1/4-BLACK-250FT

Mouser Part No
15-3635W14BLACK250FT

New At Mouser

Dunbar

Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 1/4in Black 250ft spool SAE AS23053/4-302-0, QPL listed

Datasheet

1.000In Stock

Rp22.566

Min.: 250
Mult.: 250

Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 1/8in Black 500ft spool SAE AS23053/4-301-0, QPL listed

3635W-1/8-BLACK-500FT
Dunbar
500: Rp14.493
1.000In Stock
New At Mouser

Mfr. Part No.
3635W-1/8-BLACK-500FT

Mouser Part No
15-3635W18BLACK500FT

New At Mouser

Dunbar

Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 1/8in Black 500ft spool SAE AS23053/4-301-0, QPL listed

Datasheet

1.000In Stock

Rp14.493

Min.: 500
Mult.: 500

Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 4:1 Polyolefin Dual Wall (adhesive lined), 1in (24mm) Black 4ft

4635WT-1(24MM)-BLACK-4FT
Dunbar
1: Rp327.476
50In Stock
New At Mouser

Mfr. Part No.
4635WT-1(24MM)-BLACK-4FT

Mouser Part No
15-4635WT124MMBLACK4

New At Mouser

Dunbar

Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 4:1 Polyolefin Dual Wall (adhesive lined), 1in (24mm) Black 4ft

Datasheet

50In Stock

Rp327.476

Rp269.503

Rp228.408

Min.: 1
Mult.: 1

Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 4:1 Polyolefin Dual Wall (adhesive lined), 3/16in (4mm) Black 200ft spool

4635WT-3/16(4MM)-BLACK-200FT
Dunbar
200: Rp21.281
200In Stock
New At Mouser

Mfr. Part No.
4635WT-3/16(4MM)-BLACK-200FT

Mouser Part No
15-4635WT3164MMBL200

New At Mouser

Dunbar

Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 4:1 Polyolefin Dual Wall (adhesive lined), 3/16in (4mm) Black 200ft spool

Datasheet

200In Stock

Rp21.281

Min.: 200
Mult.: 200

Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 4:1 Polyolefin Dual Wall (adhesive lined), 3/4in (16mm) Black 4ft

4635WT-3/4(16MM)-BLACK-4FT
Dunbar
1: Rp230.426
1In Stock
99On Order
New At Mouser

Mfr. Part No.
4635WT-3/4(16MM)-BLACK-4FT

Mouser Part No
15-4635WT3416MMBLK4F

New At Mouser

Dunbar

Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 4:1 Polyolefin Dual Wall (adhesive lined), 3/4in (16mm) Black 4ft

Datasheet

1In Stock

99On Order

Rp230.426

Rp189.514

Rp160.344

Rp159.977

Rp157.592

Min.: 1
Mult.: 1

Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 1/8in Black 4ft SAE AS23053/4-301-0, QPL listed

3635W-1/8-BLACK-4FT
Dunbar
1: Rp101.453
250On Order
New At Mouser

Mfr. Part No.
3635W-1/8-BLACK-4FT

Mouser Part No
15-3635W-18-BLACK4FT

New At Mouser

Dunbar

Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 1/8in Black 4ft SAE AS23053/4-301-0, QPL listed

Datasheet

250On Order

Rp101.453

Rp83.474

Rp76.870

Rp61.826

Rp58.891

Min.: 1
Mult.: 1

Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 3/8in Red 4ft SAE AS23053/4 Non Mil-Spec Diameter

3635W-3/8-RED-4FT
Dunbar
1: Rp175.204
100On Order
New At Mouser

Mfr. Part No.
3635W-3/8-RED-4FT

Mouser Part No
15-3635W-38-RED-4FT

New At Mouser

Dunbar

Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 3/8in Red 4ft SAE AS23053/4 Non Mil-Spec Diameter

Datasheet

100On Order

Rp175.204

Rp144.383

Rp132.642

Rp110.993

Min.: 1
Mult.: 1