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3M Shrink Tubing: 2.85 in I.D. Before Shrinking, 0.84 in I.D. After Shrinking - Standard Cold Shrink Tubing
3MStandard Cold Shrink Tubing

3M Shrink Tubing: 2.85 in I.D. Before Shrinking, 0.84 in I.D. After Shrinking

The 3M 42389 is a standard cold shrink tubing product with a 2.85-inch inner diameter before shrinking and a 0.84-inch inner diameter after shrinking, measuring 12 inches in length. Made from black EPDM rubber, this…

SKU 3G-OTH-52609

Brand
3M
Item
Shrink Tubing: 2.85 in I.D. Before Shrinking, 0.84 in I.D. After Shrinking
Category
Standard Cold Shrink Tubing
Available to Order
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Technical Specifications

3M
Manufacturer Part Number
42389
Type
Before Shrinking, EPDM Rubber
Material
EPDM Rubber
Lg
12 in
Color
Black
I.D. After Shrinking
0.84 in
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3M Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The 3M 42389 is a standard cold shrink tubing product with a 2.85-inch inner diameter before shrinking and a 0.84-inch inner diameter after shrinking, measuring 12 inches in length. Made from black EPDM rubber, this tubing is designed for electrical insulation and environmental sealing applications.

Frequently Asked Questions

What is 3M 42389 cold shrink tubing used for?

The 3M 42389 cold shrink tubing is used for electrical insulation and environmental sealing of cable connections, splices, and terminations. Its EPDM rubber construction provides resistance to moisture, UV, and weathering, making it suitable for outdoor and industrial applications where reliable long-term protection is required.

What are the specifications of 3M 42389 cold shrink tubing?

The 3M 42389 has a 2.85-inch inner diameter before shrinking and a 0.84-inch inner diameter after shrinking. It is 12 inches long, made from black EPDM rubber, and is a standard cold shrink tubing product designed for electrical insulation and environmental sealing.

Where to buy 3M 42389 cold shrink tubing worldwide?

3G Electric supplies the 3M 42389 cold 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; we source and deliver this product to meet your project needs.

How to install 3M cold shrink tubing?

To install 3M cold shrink tubing, slide the tubing over the cable or connector before shrinking. Remove the core support string to allow the tubing to contract and form a tight seal around the substrate. Ensure the surface is clean and dry for optimal adhesion. Follow standard cold shrink installation practices for best results.

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 cold 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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