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3M Heat Shrink Tubing: 1.25 in I.D. Before Shrinking, 0.63 in I.D. After Shrinking - Standard Heat Shrink Tubing
3MStandard Heat Shrink Tubing

3M Heat Shrink Tubing: 1.25 in I.D. Before Shrinking, 0.63 in I.D. After Shrinking

The 3M Heat Shrink Tubing (SKU 2JRN7) is a standard heat shrink tubing product from 3M, supplied in black. It features a 1.25-inch inner diameter before shrinking and a 0.63-inch inner diameter after shrinking, with…

SKU 3G-OTH-53023

Brand
3M
Item
Heat Shrink Tubing: 1.25 in I.D. Before Shrinking, 0.63 in I.D. After Shrinking
Category
Standard Heat Shrink Tubing
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Technical Specifications

3M
Manufacturer Part Number
NST-1-1/4-50'-BLACK-SPOOL
Type
Before Shrinking, 2 PK
Lg
50 ft
Color
Black
I.D. After Shrinking
0.63 in
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3M Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The 3M Heat Shrink Tubing (SKU 2JRN7) is a standard heat shrink tubing product from 3M, supplied in black. It features a 1.25-inch inner diameter before shrinking and a 0.63-inch inner diameter after shrinking, with a length of 50 feet per spool, sold in a pack of 2. This tubing is identified by manufacturer part number NST-1-1/4-50'-BLACK-SPOOL.

Frequently Asked Questions

What is 3M Heat Shrink Tubing used for?

3M Heat Shrink Tubing is used for insulating and protecting electrical connections, wires, and cables in industrial, automotive, and electronic applications. It provides abrasion resistance, strain relief, and environmental sealing when heated, shrinking to fit tightly around components.

What are the specifications of 3M Heat Shrink Tubing?

This 3M Heat Shrink Tubing has a 1.25-inch inner diameter before shrinking and a 0.63-inch inner diameter after shrinking. It is 50 feet long per spool, sold in a pack of 2, in black color. The manufacturer part number is NST-1-1/4-50'-BLACK-SPOOL.

Where to buy 3M Heat Shrink Tubing worldwide?

3G Electric supplies 3M Heat Shrink Tubing worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this 3M product.

How to install 3M Heat Shrink Tubing?

To install, slide the tubing over the connection or wire before shrinking. Apply heat evenly using a heat gun or oven at the recommended temperature (typically around 121 °C) until the tubing shrinks snugly around the component. Allow it to cool before handling.

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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