Heat Shrink Tubing & Sleeves

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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 (EUR) Filter the results in the table by unit price based on your quantity.	Qty.	Series	Packaging
Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 1/2in Black 4ft DC-321A-1/2-BLACK-4FT Dunbar 1: 2,54 € 123In Stock 77On Order New At Mouser	Mfr. Part No. DC-321A-1/2-BLACK-4FT Mouser Part No 15-DC321A12BLACK-4FT New At Mouser	Dunbar	Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 1/2in Black 4ft Learn More about Dunbar dual wall tubing Due to size or weight of the product, your shipping charge may increase.	Datasheet	123In Stock 77On Order	2,54 € 2,09 € 1,76 € 1,58 € 1,45 €	Min.: 1 Mult.: 1	DC-321A	Bulk
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: 5,31 € 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 Learn More about Dunbar dual wall tubing Due to size or weight of the product, your shipping charge may increase.	Datasheet	50In Stock 50On Order	5,31 € 4,38 € 4,02 € 3,24 € 3,09 €	Min.: 1 Mult.: 1	DC-321A	Bulk
Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 1in Yellow 4ft DC-321A-1-YELLOW-4FT Dunbar 1: 8,04 € 80In Stock 20Expected 16/11/2026 New At Mouser	Mfr. Part No. DC-321A-1-YELLOW-4FT Mouser Part No 15-DC321A1YELLOW-4FT New At Mouser	Dunbar	Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 1in Yellow 4ft Learn More about Dunbar dual wall tubing Due to size or weight of the product, your shipping charge may increase.	Datasheet	80In Stock 20Expected 16/11/2026	8,04 € 6,62 € 6,09 € 5,09 €	Min.: 1 Mult.: 1	DC-321A	Bulk
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: 1,70 € 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 Learn More about Dunbar dual wall tubing Due to size or weight of the product, your shipping charge may increase.	Datasheet	184In Stock 566On Order	1,70 € 1,40 € 1,18 € 1,03 € View 0,955 € 0,92 €	Min.: 1 Mult.: 1	DC-321A	Bulk
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: 15,29 € 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 Learn More about Dunbar dual wall tubing Due to size or weight of the product, your shipping charge may increase.	Datasheet	80In Stock	15,29 € 12,59 € 11,02 € 9,86 € View 9,07 € 9,05 €	Min.: 1 Mult.: 1	3635W	Bulk
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: 14,04 € 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 Learn More about Dunbar dual wall tubing Due to size or weight of the product, your shipping charge may increase.	Datasheet	50In Stock	14,04 € 11,55 € 9,77 € 9,74 €	Min.: 1 Mult.: 1	3635W	Bulk
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: 2,24 € 500In 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 Learn More about Dunbar dual wall tubing	Datasheet	500In Stock	2,24 € 2,23 €	Min.: 100 Mult.: 100	3635W	Spool
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: 1,30 € 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 Learn More about Dunbar dual wall tubing	Datasheet	1 000In Stock	1,30 €	Min.: 250 Mult.: 250	3635W	Spool
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: 1,14 € 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 Learn More about Dunbar dual wall tubing	Datasheet	1 000In Stock	1,14 € 1,08 €	Min.: 500 Mult.: 500	3635W	Spool
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: 15,35 € 43In 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 Learn More about Dunbar dual wall tubing Due to size or weight of the product, your shipping charge may increase.	Datasheet	43In Stock	15,35 € 12,63 € 11,41 €	Min.: 1 Mult.: 1	4635WT	Bulk
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: 0,998 € 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 Learn More about Dunbar dual wall tubing	Datasheet	200In Stock	0,998 €	Min.: 200 Mult.: 200	4635WT	Spool
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: 10,80 € 100In Stock 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 Learn More about Dunbar dual wall tubing Due to size or weight of the product, your shipping charge may increase.	Datasheet	100In Stock	10,80 € 8,88 € 7,67 €	Min.: 1 Mult.: 1	4635WT	Bulk
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: 12,80 € 20On Order 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 Learn More about Dunbar dual wall tubing Due to size or weight of the product, your shipping charge may increase.	Datasheet	20On Order	12,80 € 10,53 € 9,98 € 9,74 €	Min.: 1 Mult.: 1	3635W	Bulk
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: 4,76 € 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 Learn More about Dunbar dual wall tubing Due to size or weight of the product, your shipping charge may increase.	Datasheet	250On Order	4,76 € 3,91 € 3,60 € 2,90 € 2,76 €	Min.: 1 Mult.: 1	3635W	Bulk
Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 3/16in Black 250ft spool SAE AS23053/4 Non Mil-Spec Diameter 3635W-3/16-BLACK-250FT Dunbar 250: 1,15 € 250On Order New At Mouser	Mfr. Part No. 3635W-3/16-BLACK-250FT Mouser Part No 15-3635W316BLACK250F New At Mouser	Dunbar	Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 3/16in Black 250ft spool SAE AS23053/4 Non Mil-Spec Diameter Learn More about Dunbar dual wall tubing	Datasheet	250On Order	1,15 €	Min.: 250 Mult.: 250	3635W	Spool
Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 3/16in Red 4ft DC-321A-3/16-RED-4FT Dunbar 1: 1,70 € 750On Order New At Mouser	Mfr. Part No. DC-321A-3/16-RED-4FT Mouser Part No 15-DC-321A-316RED4FT New At Mouser	Dunbar	Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 3/16in Red 4ft Learn More about Dunbar dual wall tubing Due to size or weight of the product, your shipping charge may increase.	Datasheet	750On Order	1,70 € 1,40 € 1,18 € 1,03 € View 0,955 € 0,92 €	Min.: 1 Mult.: 1	DC-321A	Bulk
Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 3/8in Red 4ft DC-321A-3/8-RED-4FT Dunbar 1: 3,64 € 250On Order New At Mouser	Mfr. Part No. DC-321A-3/8-RED-4FT Mouser Part No 15-DC-321A-38-RED4FT New At Mouser	Dunbar	Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 3/8in Red 4ft Learn More about Dunbar dual wall tubing Due to size or weight of the product, your shipping charge may increase.	Datasheet	250On Order	3,64 € 3,00 € 2,75 € 2,22 € 2,12 €	Min.: 1 Mult.: 1	DC-321A	Bulk
Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 1-1/2in Black 4ft DC-321A-1-1/2-BLACK-4FT Dunbar 1: 9,78 € 50On Order New At Mouser	Mfr. Part No. DC-321A-1-1/2-BLACK-4FT Mouser Part No 15-DC321A112BLACK4FT New At Mouser	Dunbar	Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 1-1/2in Black 4ft Learn More about Dunbar dual wall tubing Due to size or weight of the product, your shipping charge may increase.	Datasheet	50On Order	9,78 € 8,05 € 7,40 € 6,19 €	Min.: 1 Mult.: 1	DC-321A	Bulk
Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 3/16in Black 4ft DC-321A-3/16-BLACK-4FT Dunbar 1: 1,13 € 750On Order New At Mouser	Mfr. Part No. DC-321A-3/16-BLACK-4FT Mouser Part No 15-DC321A316BLACK4FT New At Mouser	Dunbar	Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 3/16in Black 4ft Learn More about Dunbar dual wall tubing Due to size or weight of the product, your shipping charge may increase.	Datasheet	750On Order	1,13 € 0,929 € 0,788 € 0,69 € View 0,634 € 0,598 €	Min.: 1 Mult.: 1	DC-321A	Bulk
Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 3/4in Black 100ft spool DC-321A-3/4-BLACK-100FT Dunbar 100: 1,03 € 200On Order New At Mouser	Mfr. Part No. DC-321A-3/4-BLACK-100FT Mouser Part No 15-DC321A34BLACK100F New At Mouser	Dunbar	Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 3/4in Black 100ft spool Learn More about Dunbar dual wall tubing	Datasheet	200On Order	1,03 € 1,01 €	Min.: 100 Mult.: 100	DC-321A	Spool
Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 3/4in Clear 4ft DC-321A-3/4-CLEAR-4FT Dunbar 1: 6,53 € 100On Order New At Mouser	Mfr. Part No. DC-321A-3/4-CLEAR-4FT Mouser Part No 15-DC321A34CLEAR-4FT New At Mouser	Dunbar	Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 3/4in Clear 4ft Learn More about Dunbar dual wall tubing Due to size or weight of the product, your shipping charge may increase.	Datasheet	100On Order	6,53 € 5,37 € 4,94 € 4,07 € 3,98 €	Min.: 1 Mult.: 1	DC-321A	Bulk
Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 3/4in Yellow 4ft DC-321A-3/4-YELLOW-4FT Dunbar 1: 6,53 € 100On Order New At Mouser	Mfr. Part No. DC-321A-3/4-YELLOW-4FT Mouser Part No 15-DC321A34YELLOW4FT New At Mouser	Dunbar	Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 3/4in Yellow 4ft Learn More about Dunbar dual wall tubing Due to size or weight of the product, your shipping charge may increase.	Datasheet	100On Order	6,53 € 5,37 € 4,94 € 4,07 € 3,98 €	Min.: 1 Mult.: 1	DC-321A	Bulk
Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 3/8in Clear 4ft DC-321A-3/8-CLEAR-4FT Dunbar 1: 3,64 € 250On Order New At Mouser	Mfr. Part No. DC-321A-3/8-CLEAR-4FT Mouser Part No 15-DC321A38CLEAR-4FT New At Mouser	Dunbar	Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Flexible 3:1 Polyolefin Dual Wall (adhesive lined), 3/8in Clear 4ft Learn More about Dunbar dual wall tubing Due to size or weight of the product, your shipping charge may increase.	Datasheet	250On Order	3,64 € 3,00 € 2,75 € 2,22 € 2,12 €	Min.: 1 Mult.: 1	DC-321A	Bulk
Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Semi-Rigid 4:1 Polyolefin Dual Wall (adhesive lined), No.2-8mm Black 250ft spool 4635WS-NO.2-8MM-BLACK-250FT Dunbar 250: 0,955 € Non-Stocked Lead-Time 5 Weeks New At Mouser	Mfr. Part No. 4635WS-NO.2-8MM-BLACK-250FT Mouser Part No 15-4635WSNO28MMBL250 New At Mouser	Dunbar	Heat Shrink Tubing & Sleeves Heat Shrink Tubing, Semi-Rigid 4:1 Polyolefin Dual Wall (adhesive lined), No.2-8mm Black 250ft spool Learn More about Dunbar dual wall tubing	Datasheet	Non-Stocked Lead-Time 5 Weeks	0,955 €	Min.: 250 Mult.: 250	4635WS	Spool
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: 39,79 € Non-Stocked Lead-Time 5 Weeks 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 Learn More about Dunbar dual wall tubing Due to size or weight of the product, your shipping charge may increase.	Datasheet	Non-Stocked Lead-Time 5 Weeks	39,79 € 32,77 € 28,29 € 28,28 € Quote Quote	Min.: 1 Mult.: 1	4635WT	Bulk

Dual-Wall Tubing

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Dual-Wall Tubing

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