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3M Cold Shrink Insulator: 1.38 in I.D. Before Shrinking, 0.69 in I.D. After Shrinking - Standard Cold Shrink Tubing
3MStandard Cold Shrink Tubing

3M Cold Shrink Insulator: 1.38 in I.D. Before Shrinking, 0.69 in I.D. After Shrinking

The 3M Cold Shrink Insulator (SKU 4YT81) is a standard cold shrink tubing product made of EPDM rubber in black. It has a 1.38-inch inner diameter before shrinking and a 0.69-inch inner diameter after shrinking, with…

SKU 3G-OTH-52352

Brand
3M
Item
Cold Shrink Insulator: 1.38 in I.D. Before Shrinking, 0.69 in I.D. After Shrinking
Category
Standard Cold Shrink Tubing
Available to Order
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Technical Specifications

3M
Manufacturer Part Number
8427-12
Type
Before Shrinking
Material
EPDM Rubber
Lg
12 in
Color
Black
I.D. After Shrinking
0.69 in
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3M Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The 3M Cold Shrink Insulator (SKU 4YT81) is a standard cold shrink tubing product made of EPDM rubber in black. It has a 1.38-inch inner diameter before shrinking and a 0.69-inch inner diameter after shrinking, with a 12-inch length (MPN 8427-12).

Frequently Asked Questions

What is 3M Cold Shrink Insulator 8427-12 used for?

The 3M Cold Shrink Insulator 8427-12 is used to insulate and protect electrical cable splices and terminations in industrial power distribution. Its EPDM rubber construction provides reliable electrical insulation and environmental sealing for medium-voltage applications.

What are the specifications of 3M Cold Shrink Insulator 8427-12?

The 3M Cold Shrink Insulator 8427-12 has a 1.38 in inner diameter before shrinking and a 0.69 in inner diameter after shrinking. It is 12 in long, made of black EPDM rubber, and is a standard cold shrink tubing product (MPN 8427-12).

Where to buy 3M Cold Shrink Insulator 8427-12 worldwide?

3G Electric supplies the 3M Cold Shrink Insulator 8427-12 to customers worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this EPDM rubber insulator to your facility, regardless of location.

How to install 3M Cold Shrink Insulator 8427-12?

To install the 3M Cold Shrink Insulator 8427-12, position the tube over the cable joint or termination, then remove the inner support core to allow the EPDM rubber to shrink snugly. Follow standard cold shrink installation practices for proper sealing and insulation.

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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