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Dual-Wall Tubing

Dunbar Dual-Wall Tubing is semi-rigid or flexible, high-shrink-ratio, flame-retardant, and heat-shrinkable polyolefin tubes. This tubing comes 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. This dual-wall tubing is UL VW-1 (Jacket only) and is flammable, and it complies with RoHS and REACH. The dual-wall tubing 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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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.
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: $20.74 A tariff of 11% may be applied if shipping to the United States. 100In Stock New At Mouser	Mfr. Part # 3635W-1-BLACK-4FT Mouser Part # 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 Learn More about Dunbar dual wall tubing Due to size or weight of the product, your shipping charge may increase.	Datasheet	100In Stock	$20.74 $17.08 $15.71 $13.98 $13.97 A tariff of 11% may be applied if shipping to the United States.	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: $2.09 A tariff of 30% may be applied if shipping to the United States. 500In Stock New At Mouser	Mfr. Part # DC-321A-1-RED-100FT Mouser Part # 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 Learn More about Dunbar dual wall tubing	Datasheet	500In Stock	$2.09 A tariff of 30% may be applied if shipping to the United States.	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: $0.839 A tariff of 30% may be applied if shipping to the United States. 800In Stock New At Mouser	Mfr. Part # DC-321A-1/2-BLACK-100FT Mouser Part # 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 Learn More about Dunbar dual wall tubing	Datasheet	800In Stock	$0.839 $0.786 $0.783 A tariff of 30% may be applied if shipping to the United States.	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: $4.99 A tariff of 30% may be applied if shipping to the United States. 100In Stock New At Mouser	Mfr. Part # DC-321A-1/2-CLEAR-4FT Mouser Part # 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 Learn More about Dunbar dual wall tubing Due to size or weight of the product, your shipping charge may increase.	Datasheet	100In Stock	$4.99 $4.11 $3.78 $3.04 $2.90 A tariff of 30% may be applied if shipping to the United States.	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: $1.14 A tariff of 30% may be applied if shipping to the United States. 400In Stock New At Mouser	Mfr. Part # DC-321A-1/2-RED-100FT Mouser Part # 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 Learn More about Dunbar dual wall tubing	Datasheet	400In Stock	$1.14 $1.12 A tariff of 30% may be applied if shipping to the United States.	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: $4.99 A tariff of 30% may be applied if shipping to the United States. 100In Stock New At Mouser	Mfr. Part # DC-321A-1/2-WHITE-4FT Mouser Part # 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 Learn More about Dunbar dual wall tubing Due to size or weight of the product, your shipping charge may increase.	Datasheet	100In Stock	$4.99 $4.11 $3.78 $3.04 $2.90 A tariff of 30% may be applied if shipping to the United States.	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: $1.79 A tariff of 30% may be applied if shipping to the United States. 500In Stock New At Mouser	Mfr. Part # DC-321A-1/8-WHITE-4FT Mouser Part # 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 Learn More about Dunbar dual wall tubing Due to size or weight of the product, your shipping charge may increase.	Datasheet	500In Stock	$1.79 $1.48 $1.25 $1.09 View $1.00 $0.974 A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 1-1/2in Red 4ft SAE AS23053/4-305-2, QPL listed 3635W-1-1/2-RED-4FT Dunbar 1: $30.48 A tariff of 11% may be applied if shipping to the United States. 25In Stock New At Mouser	Mfr. Part # 3635W-1-1/2-RED-4FT Mouser Part # 15-3635W-1-12-RED4FT New At Mouser	Dunbar	Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 1-1/2in Red 4ft SAE AS23053/4-305-2, QPL listed Learn More about Dunbar dual wall tubing Due to size or weight of the product, your shipping charge may increase.	Datasheet	25In Stock	$30.48 $25.10 $21.23 $20.99 $20.98 A tariff of 11% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 4:1 Polyolefin Dual Wall (adhesive lined), 1-1/4in (32mm) Black 4ft 4635WT-1-1/4(32MM)-BLACK-4FT Dunbar 1: $26.15 A tariff of 11% may be applied if shipping to the United States. 39In Stock New At Mouser	Mfr. Part # 4635WT-1-1/4(32MM)-BLACK-4FT Mouser Part # 15-4635WT11432MMBLK4 New At Mouser	Dunbar	Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 4:1 Polyolefin Dual Wall (adhesive lined), 1-1/4in (32mm) Black 4ft Learn More about Dunbar dual wall tubing Due to size or weight of the product, your shipping charge may increase.	Datasheet	39In Stock	$26.15 $21.53 $18.21 $18.01 $18.00 A tariff of 11% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 1in Red 4ft DC-321A-1-RED-4FT Dunbar 1: $9.35 A tariff of 30% may be applied if shipping to the United States. 100In Stock New At Mouser	Mfr. Part # DC-321A-1-RED-4FT Mouser Part # 15-DC-321A-1-RED-4FT New At Mouser	Dunbar	Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 1in Red 4ft Learn More about Dunbar dual wall tubing Due to size or weight of the product, your shipping charge may increase.	Datasheet	100In Stock	$9.35 $7.70 $7.08 $5.92 A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 1-1/4in Black 4ft DC-321A-1-1/4-BLACK-4FT Dunbar 1: $10.76 A tariff of 30% may be applied if shipping to the United States. 100In Stock New At Mouser	Mfr. Part # DC-321A-1-1/4-BLACK-4FT Mouser Part # 15-DC321A114BLACK4FT New At Mouser	Dunbar	Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 1-1/4in Black 4ft Learn More about Dunbar dual wall tubing Due to size or weight of the product, your shipping charge may increase.	Datasheet	100In Stock	$10.76 $8.86 $8.15 $6.82 $6.81 A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 1/2in Yellow 4ft DC-321A-1/2-YELLOW-4FT Dunbar 1: $4.99 A tariff of 30% may be applied if shipping to the United States. 100In Stock New At Mouser	Mfr. Part # DC-321A-1/2-YELLOW-4FT Mouser Part # 15-DC321A12YELLOW4FT New At Mouser	Dunbar	Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 1/2in Yellow 4ft Learn More about Dunbar dual wall tubing Due to size or weight of the product, your shipping charge may increase.	Datasheet	100In Stock	$4.99 $4.11 $3.78 $3.04 $2.90 A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 1/4in Black 250ft spool DC-321A-1/4-BLACK-250FT Dunbar 250: $0.328 A tariff of 30% may be applied if shipping to the United States. 1,000In Stock New At Mouser	Mfr. Part # DC-321A-1/4-BLACK-250FT Mouser Part # 15-DC321A14BLACK250F New At Mouser	Dunbar	Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 1/4in Black 250ft spool Learn More about Dunbar dual wall tubing	Datasheet	1,000In Stock	$0.328 $0.31 A tariff of 30% may be applied if shipping to the United States.	Min.: 250 Mult.: 250
Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 1/8in Yellow 4ft DC-321A-1/8-YELLOW-4FT Dunbar 1: $1.79 A tariff of 30% may be applied if shipping to the United States. 500In Stock New At Mouser	Mfr. Part # DC-321A-1/8-YELLOW-4FT Mouser Part # 15-DC321A18YELLOW4FT New At Mouser	Dunbar	Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 1/8in Yellow 4ft Learn More about Dunbar dual wall tubing Due to size or weight of the product, your shipping charge may increase.	Datasheet	500In Stock	$1.79 $1.48 $1.25 $1.09 View $1.00 $0.974 A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 3/4in White 4ft DC-321A-3/4-WHITE-4FT Dunbar 1: $7.59 A tariff of 30% may be applied if shipping to the United States. 100In Stock New At Mouser	Mfr. Part # DC-321A-3/4-WHITE-4FT Mouser Part # 15-DC321A34WHITE-4FT New At Mouser	Dunbar	Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 3/4in White 4ft Learn More about Dunbar dual wall tubing Due to size or weight of the product, your shipping charge may increase.	Datasheet	100In Stock	$7.59 $6.24 $5.74 $4.73 $4.63 A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 3/8in Black 4ft DC-321A-3/8-BLACK-4FT Dunbar 1: $2.61 A tariff of 30% may be applied if shipping to the United States. 240In Stock New At Mouser	Mfr. Part # DC-321A-3/8-BLACK-4FT Mouser Part # 15-DC321A38BLACK-4FT New At Mouser	Dunbar	Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 3/8in Black 4ft Learn More about Dunbar dual wall tubing Due to size or weight of the product, your shipping charge may increase.	Datasheet	240In Stock	$2.61 $2.15 $1.82 $1.63 View $1.49 $1.43 A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 2:1 Polyolefin Dual Wall (adhesive lined), 3/16in Black 4ft SAE AS23053/4 Non Mil-Spec Diameter 1625W-3/16-BLACK-4FT Dunbar 1: $5.72 A tariff of 11% may be applied if shipping to the United States. 100In Stock New At Mouser	Mfr. Part # 1625W-3/16-BLACK-4FT Mouser Part # 15-1625W-316BLACK4FT New At Mouser	Dunbar	Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 2:1 Polyolefin Dual Wall (adhesive lined), 3/16in Black 4ft SAE AS23053/4 Non Mil-Spec Diameter Learn More about Dunbar dual wall tubing Due to size or weight of the product, your shipping charge may increase.	Datasheet	100In Stock	$5.72 $4.71 $4.33 $3.49 $3.32 A tariff of 11% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 3/16in Black 4ft SAE AS23053/4 Non Mil-Spec Diameter 3635W-3/16-BLACK-4FT Dunbar 1: $5.95 A tariff of 11% may be applied if shipping to the United States. 240In Stock New At Mouser	Mfr. Part # 3635W-3/16-BLACK-4FT Mouser Part # 15-3635W-316BLACK4FT New At Mouser	Dunbar	Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 3/16in Black 4ft SAE AS23053/4 Non Mil-Spec Diameter Learn More about Dunbar dual wall tubing Due to size or weight of the product, your shipping charge may increase.	Datasheet	240In Stock	$5.95 $4.90 $4.50 $3.71 $3.63 A tariff of 11% may be applied if shipping to the United States.	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: $9.55 A tariff of 11% may be applied if shipping to the United States. 100In Stock New At Mouser	Mfr. Part # 3635W-3/8-RED-4FT Mouser Part # 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 Learn More about Dunbar dual wall tubing Due to size or weight of the product, your shipping charge may increase.	Datasheet	100In Stock	$9.55 $7.87 $7.23 $6.05 A tariff of 11% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 1/4in White 4ft DC-321A-1/4-WHITE-4FT Dunbar 1: $2.10 A tariff of 30% may be applied if shipping to the United States. 500In Stock New At Mouser	Mfr. Part # DC-321A-1/4-WHITE-4FT Mouser Part # 15-DC321A14WHITE-4FT New At Mouser	Dunbar	Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 1/4in White 4ft Learn More about Dunbar dual wall tubing Due to size or weight of the product, your shipping charge may increase.	Datasheet	500In Stock	$2.10 $1.73 $1.46 $1.31 View $1.20 $1.15 A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 3/4in Orange 4ft DC-321A-3/4-ORANGE-4FT Dunbar 1: $7.59 A tariff of 30% may be applied if shipping to the United States. 100In Stock New At Mouser	Mfr. Part # DC-321A-3/4-ORANGE-4FT Mouser Part # 15-DC321A34ORANGE4FT New At Mouser	Dunbar	Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 3/4in Orange 4ft Learn More about Dunbar dual wall tubing Due to size or weight of the product, your shipping charge may increase.	Datasheet	100In Stock	$7.59 $6.24 $5.74 $4.73 $4.63 A tariff of 30% may be applied if shipping to the United States.	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: $1.70 A tariff of 30% may be applied if shipping to the United States. 200In Stock New At Mouser	Mfr. Part # DC-321A-3/4-RED-100FT Mouser Part # 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 Learn More about Dunbar dual wall tubing	Datasheet	200In Stock	$1.70 A tariff of 30% may be applied if shipping to the United States.	Min.: 100 Mult.: 100
Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 3/8in White 4ft DC-321A-3/8-WHITE-4FT Dunbar 1: $4.23 A tariff of 30% may be applied if shipping to the United States. 250In Stock New At Mouser	Mfr. Part # DC-321A-3/8-WHITE-4FT Mouser Part # 15-DC321A38WHITE-4FT New At Mouser	Dunbar	Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 3/8in White 4ft Learn More about Dunbar dual wall tubing Due to size or weight of the product, your shipping charge may increase.	Datasheet	250In Stock	$4.23 $3.49 $3.20 $2.58 $2.46 A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 1-1/2in Black 4ft SAE AS23053/4-305-0, QPL listed 3635W-1-1/2-BLACK-4FT Dunbar 1: $28.27 A tariff of 11% may be applied if shipping to the United States. 25In Stock New At Mouser	Mfr. Part # 3635W-1-1/2-BLACK-4FT Mouser Part # 15-3635W112BLACK-4FT New At Mouser	Dunbar	Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 1-1/2in Black 4ft SAE AS23053/4-305-0, QPL listed Learn More about Dunbar dual wall tubing Due to size or weight of the product, your shipping charge may increase.	Datasheet	25In Stock	$28.27 $23.27 $19.68 $19.46 Quote Quote A tariff of 11% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Semi-Rigid 4:1 Polyolefin Dual Wall (adhesive lined), No.1-6mm Black 500ft spool 4635WS-NO.1-6MM-BLACK-500FT Dunbar 500: $0.923 A tariff of 11% may be applied if shipping to the United States. 1,000In Stock New At Mouser	Mfr. Part # 4635WS-NO.1-6MM-BLACK-500FT Mouser Part # 15-4635WSNO16MMBL500 New At Mouser	Dunbar	Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Semi-Rigid 4:1 Polyolefin Dual Wall (adhesive lined), No.1-6mm Black 500ft spool Learn More about Dunbar dual wall tubing	Datasheet	1,000In Stock	$0.923 A tariff of 11% may be applied if shipping to the United States.	Min.: 500 Mult.: 500

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