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3M Heat Shrink Tubing: 0.71 in I.D. Before Shrinking, 0.24 in I.D. After Shrinking - Standard Heat Shrink Tubing
3MStandard Heat Shrink Tubing

3M Heat Shrink Tubing: 0.71 in I.D. Before Shrinking, 0.24 in I.D. After Shrinking

The 3M Heat Shrink Tubing (SKU 3G-OTH-55404) is a standard heat shrink tubing product in black, with a 0.71-inch inner diameter before shrinking and a 0.24-inch inner diameter after shrinking. Each piece is 4 feet…

SKU 3G-OTH-55404

Also listed as: SFTW2033448BLACK · SFTW 203 3 4 48 BLACK · SFTW-203-3-4-48-BLACK

Brand
3M
Item
Heat Shrink Tubing: 0.71 in I.D. Before Shrinking, 0.24 in I.D. After Shrinking
Category
Standard Heat Shrink Tubing
Available to Order
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

3M
Manufacturer Part Number
SFTW-203-3/4-48-BLACK
Type
Before Shrinking, 12 PK
Lg
4 ft
Color
Black
I.D. After Shrinking
0.24 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-55404) is a standard heat shrink tubing product in black, with a 0.71-inch inner diameter before shrinking and a 0.24-inch inner diameter after shrinking. Each piece is 4 feet long, sold in a pack of 12, with manufacturer part number SFTW-203-3/4-48-BLACK.

Frequently Asked Questions

What is 3M Heat Shrink Tubing used for?

3M Heat Shrink Tubing insulates and protects electrical connections, wires, and cables from moisture, abrasion, and corrosion. It is widely used in industrial maintenance, automotive wiring, and electrical panel repairs where a durable, tight seal is required after heat is applied.

What are the specifications of 3M Heat Shrink Tubing SFTW-203-3/4-48-BLACK?

This 3M heat shrink tubing has a 0.71 in inner diameter before shrinking and 0.24 in after shrinking. Each piece is 4 ft long, sold in a pack of 12. Color is black. The manufacturer part number is SFTW-203-3/4-48-BLACK.

Where to buy 3M Heat Shrink Tubing worldwide?

3G Electric supplies 3M Heat Shrink Tubing to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote on this 3M product and we will source and ship it to your location.

How to install 3M Heat Shrink Tubing?

Slide the tubing over the connection before shrinking. Apply heat evenly using a heat gun or torch until the tubing tightly conforms to the wire or cable. Allow it to cool completely. Ensure the inner diameter after shrinking (0.24 in) matches the cable size for a secure fit.

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
This standard heat shrink tubing from 3M is designed for insulating, protecting, and bundling electrical wires and cables. It has an inner diameter of 0.24 in before shrinking and 0.08 in after shrinking, with a length of 4 ft per piece. The tubing is black and supplied in a 12-pack. When heated, it shrinks tightly around connections to provide electrical insulation and mechanical protection against abrasion, moisture, and chemicals
3M
This standard heat shrink tubing from 3M is designed for insulating, protecting, and bundling electrical wires and cables. It has an inner diameter of 0.24 in before shrinking and 0.08 in after shrinking, with a length of 4 ft per piece. The tubing is black and supplied in a 12-pack. When heated, it shrinks tightly around connections to provide electrical insulation and mechanical protection against abrasion, moisture, and chemicals
3M Heat Shrink Tubing: 0.12 in I.D. Before Shrinking, 0.04 in I.D. After Shrinking, 4 ft Lg, 25 PK (MPN SFTW-203-1/8-48-BLACK)
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3M Heat Shrink Tubing: 0.12 in I.D. Before Shrinking, 0.04 in I.D. After Shrinking, 4 ft Lg, 25 PK (MPN SFTW-203-1/8-48-BLACK)
Standard heat shrink tubing for insulating and protecting electrical wires, cables, and connections. Inner diameter shrinks from 0.95 in to 0.32 in upon heating. Each piece is 4 ft long, supplied in a 5-pack. Color: Black
3M
Standard heat shrink tubing for insulating and protecting electrical wires, cables, and connections. Inner diameter shrinks from 0.95 in to 0.32 in upon heating. Each piece is 4 ft long, supplied in a 5-pack. Color: Black
3M Heat Shrink Tubing: 0.35 in I.D. Before Shrinking, 0.12 in I.D. After Shrinking, 4 ft Lg, 12 PK (MPN SFTW-203-3/8-48-BLACK)
3M
3M Heat Shrink Tubing: 0.35 in I.D. Before Shrinking, 0.12 in I.D. After Shrinking, 4 ft Lg, 12 PK (MPN SFTW-203-3/8-48-BLACK)
Standard heat shrink tubing with 1.54 in inner diameter before shrinking and 0.51 in after shrinking. Each piece is 4 ft long, sold in a pack of 5. Used to insulate and protect electrical wires, cables, and connections from moisture, abrasion, and environmental damage
3M
Standard heat shrink tubing with 1.54 in inner diameter before shrinking and 0.51 in after shrinking. Each piece is 4 ft long, sold in a pack of 5. Used to insulate and protect electrical wires, cables, and connections from moisture, abrasion, and environmental damage
3M Heat Shrink Tubing: 1.5 in I.D. Before Shrinking, 0.75 in I.D. After Shrinking, 100 ft Lg, Black (MPN FP301-1.5-100'-BLACK-SPOOL)
3M
3M Heat Shrink Tubing: 1.5 in I.D. Before Shrinking, 0.75 in I.D. After Shrinking, 100 ft Lg, Black (MPN FP301-1.5-100'-BLACK-SPOOL)

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Standard heat shrink tubing with a 1.5-inch inner diameter before shrinking and 0.5-inch inner diameter after shrinking. Supplied in black color on a 25-foot reel. Used for insulating, protecting, and bundling wires and cables in electrical, automotive, and industrial applications
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