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3M NST-3-50'-BLACK-SPOOL Standard Heat Shrink Tubing
3MStandard Heat Shrink Tubing

3M NST-3-50'-BLACK-SPOOL Standard Heat Shrink Tubing

The 3M Heat Shrink Tubing (SKU 3G-OTH-55220) is a standard heat shrink tubing product in black, featuring a 3-inch inner diameter before shrinking and a 1.5-inch inner diameter after shrinking, with a 2:1 shrink…

SKU 3G-OTH-55220

Also listed as: NST350BLACKSPOOL · NST 3 50 BLACK SPOOL · NST-3-50-BLACK-SPOOL

Brand
3M
Item
NST-3-50'-BLACK-SPOOL Standard Heat Shrink Tubing
Category
Standard Heat Shrink Tubing
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

3M
Manufacturer Part Number
NST-3-50'-BLACK-SPOOL
Type
Before Shrinking, Black
Lg
50 ft
Color
Black
I.D. After Shrinking
1.5 in

Technical Documents

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3M Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The 3M Heat Shrink Tubing (SKU 3G-OTH-55220) is a standard heat shrink tubing product in black, featuring a 3-inch inner diameter before shrinking and a 1.5-inch inner diameter after shrinking, with a 2:1 shrink ratio. It is supplied in a 50-foot length on a spool, with manufacturer part number NST-3-50'-BLACK-SPOOL.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is 3M Heat Shrink Tubing used for?

3M Heat Shrink Tubing is used to insulate and protect electrical connections, cables, and wires from moisture, abrasion, and environmental damage. It is commonly applied in industrial, automotive, and electrical maintenance settings where a durable, tight-fitting insulation layer is required after heat application.

What are the specifications of 3M Heat Shrink Tubing NST-3-50'-BLACK-SPOOL?

This 3M heat shrink tubing has a 3-inch inner diameter before shrinking and a 1.5-inch inner diameter after shrinking, with a 2:1 shrink ratio. It is black, supplied in a 50-foot length on a spool, and carries manufacturer part number NST-3-50'-BLACK-SPOOL. The brand is 3M.

Where to buy 3M Heat Shrink Tubing worldwide?

3G Electric supplies 3M Heat Shrink Tubing worldwide. As a global industrial equipment distributor established in 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this product for your project.

How to install 3M Heat Shrink Tubing?

To install, slide the tubing over the connection before shrinking, ensuring it covers the area fully. Apply heat evenly using a heat gun or torch until the tubing shrinks tightly around the cable. Allow it to cool before handling. Always follow standard electrical safety practices during installation.

Used in

Common applications for 3M
Industrial process water filtration — 3M solid polypropylene cartridge (e.g., RT10Q16G20NN, 7 micron) for sediment removal in manufacturing lines.
Cooling tower pre-treatment — 3M string-wound cartridge (e.g., RT39B16G20NN, 30 micron) to protect heat exchangers from particulate fouling.
Food and beverage rinse water — 3M 1 micron solid cartridge (RT10Y16G20NN) for fine filtration to meet quality standards.
Chemical processing feed water — 3M 27 micron solid cartridge (RT30L16G20NN) for high-flow sediment reduction upstream of sensitive equipment.
Wastewater effluent polishing — 3M 2 micron string-wound cartridge (RT09Y16G20NN) for final particulate removal before discharge or reuse.
Pharmaceutical utility water — 3M 0 micron string-wound cartridge (RT09L16G20NN) for sub-micron filtration in critical systems.

3M Products

3G Electric supplies 3M standard heat shrink tubing. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
Standard heat shrink tubing with 2:1 shrink ratio. Inner diameter before shrinking is 2 in, after shrinking is 1 in. Supplied in black color on a 50 ft spool. Used for insulating, protecting, and bundling electrical wires and cables in industrial, automotive, and marine applications
3M
Standard heat shrink tubing with 2:1 shrink ratio. Inner diameter before shrinking is 2 in, after shrinking is 1 in. Supplied in black color on a 50 ft spool. Used for insulating, protecting, and bundling electrical wires and cables in industrial, automotive, and marine applications
Standard heat shrink tubing with a 2:1 shrink ratio, reducing from 4-inch inner diameter to 2-inch inner diameter. Supplied in a 50-foot length, black color. Used for insulating and protecting electrical connections, cable splicing, and termination in industrial and commercial applications
3M
Standard heat shrink tubing with a 2:1 shrink ratio, reducing from 4-inch inner diameter to 2-inch inner diameter. Supplied in a 50-foot length, black color. Used for insulating and protecting electrical connections, cable splicing, and termination in industrial and commercial applications
3M Heat Shrink Tubing: 1 in I.D. Before Shrinking, 1 in I.D. After Shrinking, 100 ft Lg, Black, 3 PK (MPN NST-1-100'-BLACK-SPOOL)
3M
3M Heat Shrink Tubing: 1 in I.D. Before Shrinking, 1 in I.D. After Shrinking, 100 ft Lg, Black, 3 PK (MPN NST-1-100'-BLACK-SPOOL)
Standard heat shrink tubing with a 2:1 shrink ratio, providing insulation and protection for electrical wires, cables, and connections. Before shrinking, the inner diameter is 3 in; after shrinking, it is 1.5 in. Supplied in a 50 ft length, black color. Suitable for general wire and cable management applications
3M
Standard heat shrink tubing with a 2:1 shrink ratio, providing insulation and protection for electrical wires, cables, and connections. Before shrinking, the inner diameter is 3 in; after shrinking, it is 1.5 in. Supplied in a 50 ft length, black color. Suitable for general wire and cable management applications
This black heat shrink tubing has a 0.63-inch inner diameter before shrinking and a 0.31-inch inner diameter after shrinking. It is supplied in a 100-foot length per spool, in a 3-pack configuration. Used for insulating and protecting electrical wires, cables, and connections from moisture, abrasion, and environmental damage
3M
This black heat shrink tubing has a 0.63-inch inner diameter before shrinking and a 0.31-inch inner diameter after shrinking. It is supplied in a 100-foot length per spool, in a 3-pack configuration. Used for insulating and protecting electrical wires, cables, and connections from moisture, abrasion, and environmental damage
Standard heat shrink tubing with a 2:1 shrink ratio. Before shrinking, inner diameter is 4 in; after shrinking, inner diameter is 2 in. Supplied in a 50 ft length, yellow color. Used for insulating, protecting, and bundling electrical wires and cables in industrial, automotive, and marine applications
3M
Standard heat shrink tubing with a 2:1 shrink ratio. Before shrinking, inner diameter is 4 in; after shrinking, inner diameter is 2 in. Supplied in a 50 ft length, yellow color. Used for insulating, protecting, and bundling electrical wires and cables in industrial, automotive, and marine applications

More from 3M

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This standard heat shrink tubing from 3M is made of clear polyolefin, allowing visual inspection of covered connections. It has an inner diameter of 0.5 in before shrinking and 0.25 in after shrinking, supplied on a 100 ft spool. Typical applications include insulating and protecting electrical wires, cables, and connections from moisture, abrasion, and corrosion in industrial maintenance, automotive wiring, and electronics repair
3M
This standard heat shrink tubing from 3M is made of clear polyolefin, allowing visual inspection of covered connections. It has an inner diameter of 0.5 in before shrinking and 0.25 in after shrinking, supplied on a 100 ft spool. Typical applications include insulating and protecting electrical wires, cables, and connections from moisture, abrasion, and corrosion in industrial maintenance, automotive wiring, and electronics repair
Standard heat shrink tubing with 0.5 in inner diameter before shrinking and 0.25 in after shrinking. Supplied in black on a 200 ft spool, sold in a pack of 3. Used to insulate and protect electrical connections, wires, and cables from moisture, abrasion, and corrosion
3M
Standard heat shrink tubing with 0.5 in inner diameter before shrinking and 0.25 in after shrinking. Supplied in black on a 200 ft spool, sold in a pack of 3. Used to insulate and protect electrical connections, wires, and cables from moisture, abrasion, and corrosion
Standard heat shrink tubing for insulating and protecting electrical connections, wires, and cables from moisture, abrasion, and corrosion. Inner diameter shrinks from 0.38 in to 0.19 in upon heating. Supplied in a 200 ft length per 3-pack, black color
3M
Standard heat shrink tubing for insulating and protecting electrical connections, wires, and cables from moisture, abrasion, and corrosion. Inner diameter shrinks from 0.38 in to 0.19 in upon heating. Supplied in a 200 ft length per 3-pack, black color
Standard heat shrink tubing with a 1.5 in inner diameter before shrinking and 0.75 in after shrinking. Supplied in a 100 ft length on a spool. Used to insulate and protect electrical connections, wires, and cables from moisture, abrasion, and corrosion in industrial maintenance, automotive wiring, and panel building applications
3M
Standard heat shrink tubing with a 1.5 in inner diameter before shrinking and 0.75 in after shrinking. Supplied in a 100 ft length on a spool. Used to insulate and protect electrical connections, wires, and cables from moisture, abrasion, and corrosion in industrial maintenance, automotive wiring, and panel building applications
3M Heat Shrink Tubing: 0.71 in I.D. Before Shrinking, 0.24 in I.D. After Shrinking, 4 ft Lg, 12 PK (MPN SFTW-203-3/4-48-BLACK)
3M
3M Heat Shrink Tubing: 0.71 in I.D. Before Shrinking, 0.24 in I.D. After Shrinking, 4 ft Lg, 12 PK (MPN SFTW-203-3/4-48-BLACK)
3M Heat Shrink Tubing: 0.25 in I.D. Before Shrinking, 0.13 in I.D. After Shrinking, 200 ft Lg, 3 PK (MPN FP301-1/4-200'-BLUE-SPOOL)
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3M Heat Shrink Tubing: 0.25 in I.D. Before Shrinking, 0.13 in I.D. After Shrinking, 200 ft Lg, 3 PK (MPN FP301-1/4-200'-BLUE-SPOOL)
3M Heat Shrink Tubing: 0.75 in I.D. Before Shrinking, 0.38 in I.D. After Shrinking, 200 ft Lg, 3 PK (MPN FP301-3/4-200'-BLACK-SPOOL)
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3M Heat Shrink Tubing: 0.75 in I.D. Before Shrinking, 0.38 in I.D. After Shrinking, 200 ft Lg, 3 PK (MPN FP301-3/4-200'-BLACK-SPOOL)
3M Heat Shrink Tubing: 0.25 in I.D. Before Shrinking, 0.13 in I.D. After Shrinking, 200 ft Lg, 3 PK (MPN FP301-1/4-200'-YELLOW-SPOOL)
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3M Heat Shrink Tubing: 0.25 in I.D. Before Shrinking, 0.13 in I.D. After Shrinking, 200 ft Lg, 3 PK (MPN FP301-1/4-200'-YELLOW-SPOOL)