We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

3M Cold Shrink Insulator: 2.67 in I.D. Before Shrinking, 1.27 in I.D. After Shrinking - Standard Cold Shrink Tubing
3MStandard Cold Shrink Tubing

3M Cold Shrink Insulator: 2.67 in I.D. Before Shrinking, 1.27 in I.D. After Shrinking

The 3M Cold Shrink Insulator (SKU 3G-OTH-52508) is a standard cold shrink tubing product made from EPDM rubber in black. It has an inner diameter of 2.67 inches before shrinking and 1.27 inches after shrinking…

SKU 3G-OTH-52508

Also listed as: 84299 · 8429 9

Brand
3M
Item
Cold Shrink Insulator: 2.67 in I.D. Before Shrinking, 1.27 in I.D. After Shrinking
Category
Standard Cold Shrink Tubing
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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
8429-9
Type
Before Shrinking, Black, 10 PK
Material
EPDM Rubber
Color
Black
I.D. After Shrinking
1.27 in

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The 3M Cold Shrink Insulator (SKU 3G-OTH-52508) is a standard cold shrink tubing product made from EPDM rubber in black. It has an inner diameter of 2.67 inches before shrinking and 1.27 inches after shrinking, supplied in a 10-pack with manufacturer part number 8429-9.

Frequently Asked Questions

What is 3M Cold Shrink Insulator used for?

The 3M Cold Shrink Insulator is used for insulating and protecting electrical cable connections, splices, and terminations in medium-voltage power distribution systems. It is commonly applied in utility, industrial, and commercial installations where reliable, moisture-sealed insulation is required.

What are the specifications of the 3M Cold Shrink Insulator 8429-9?

The 3M Cold Shrink Insulator (MPN 8429-9) has an inner diameter of 2.67 inches before shrinking and 1.27 inches after shrinking. It is made from black EPDM rubber and supplied in a 10-pack. This standard cold shrink tubing provides a tight, consistent fit over cable diameters within its range.

Where to buy 3M Cold Shrink Insulator worldwide?

3G Electric supplies the 3M Cold Shrink Insulator (8429-9) worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact 3G Electric for pricing and lead time on this 10-pack of black EPDM cold shrink tubing.

How to install 3M Cold Shrink Insulator?

To install the 3M Cold Shrink Insulator, position the tube over the prepared cable joint or termination, then remove the inner support core by pulling the pull-tab. The EPDM rubber shrinks evenly onto the cable without heat or tools. Ensure the cable diameter falls between 1.27 and 2.67 inches for proper 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 cold shrink tubing. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
3M Cold Shrink Insulator: 2.67 in I.D. Before Shrinking, 1.27 in I.D. After Shrinking, Black, 10 PK (MPN 8429-6)
3M
3M Cold Shrink Insulator: 2.67 in I.D. Before Shrinking, 1.27 in I.D. After Shrinking, Black, 10 PK (MPN 8429-6)
3M Cold Shrink Insulator: 1.38 in I.D. Before Shrinking, 0.67 in I.D. After Shrinking, Black, 10 PK (MPN 8427-16)
3M
3M Cold Shrink Insulator: 1.38 in I.D. Before Shrinking, 0.67 in I.D. After Shrinking, Black, 10 PK (MPN 8427-16)
3M Cold Shrink Insulator: 1.38 in I.D. Before Shrinking, 0.67 in I.D. After Shrinking, Black, 10 PK (MPN 8427-6)
3M
3M Cold Shrink Insulator: 1.38 in I.D. Before Shrinking, 0.67 in I.D. After Shrinking, Black, 10 PK (MPN 8427-6)
3M Cold Shrink Insulator: 1.18 in I.D. Before Shrinking, 0.55 in I.D. After Shrinking, Black, 10 PK (MPN 8426-11)
3M
3M Cold Shrink Insulator: 1.18 in I.D. Before Shrinking, 0.55 in I.D. After Shrinking, Black, 10 PK (MPN 8426-11)
3M Cold Shrink Insulator: 2.67 in I.D. Before Shrinking, 1.27 in I.D. After Shrinking, Black, 10 PK (MPN 8429-18)
3M
3M Cold Shrink Insulator: 2.67 in I.D. Before Shrinking, 1.27 in I.D. After Shrinking, Black, 10 PK (MPN 8429-18)
3M Cold Shrink Insulator: 2.22 in I.D. Before Shrinking, 0.75 in I.D. After Shrinking, 8.8 in Lg (MPN QI-20/44-195-S)
3M
3M Cold Shrink Insulator: 2.22 in I.D. Before Shrinking, 0.75 in I.D. After Shrinking, 8.8 in Lg (MPN QI-20/44-195-S)

More from 3M

View all 3M parts
3M Cold Shrink Insulator: 2.67 in I.D. Before Shrinking, 1.27 in I.D. After Shrinking, 15 in Lg (MPN 8429-15)
3M
3M Cold Shrink Insulator: 2.67 in I.D. Before Shrinking, 1.27 in I.D. After Shrinking, 15 in Lg (MPN 8429-15)
3M Shrink Tubing: 2.67 in I.D. Before Shrinking, 1.27 in I.D. After Shrinking, 9 in Lg, EPDM Rubber (MPN 42018)
3M
3M Shrink Tubing: 2.67 in I.D. Before Shrinking, 1.27 in I.D. After Shrinking, 9 in Lg, EPDM Rubber (MPN 42018)
3M Cold Shrink Tubing: 3.69 in I.D. Before Shrinking, 1.68 in I.D. After Shrinking, 9 in Lg, Black (MPN 8430-9)
3M
3M Cold Shrink Tubing: 3.69 in I.D. Before Shrinking, 1.68 in I.D. After Shrinking, 9 in Lg, Black (MPN 8430-9)
3M Cold Shrink Insulator: 1.94 in I.D. Before Shrinking, 0.95 in I.D. After Shrinking, Black, 10 PK (MPN 8428-18)
3M
3M Cold Shrink Insulator: 1.94 in I.D. Before Shrinking, 0.95 in I.D. After Shrinking, Black, 10 PK (MPN 8428-18)
3M Cold Shrink Insulator: 0.56 in I.D. Before Shrinking, 0.31 in I.D. After Shrinking, 6 in Lg (MPN 8423-6)
3M
3M Cold Shrink Insulator: 0.56 in I.D. Before Shrinking, 0.31 in I.D. After Shrinking, 6 in Lg (MPN 8423-6)
3M Cold Shrink Tubing: 1.94 in I.D. Before Shrinking, 0.95 in I.D. After Shrinking, 6 in Lg, 10 PK (MPN 8428-6)
3M
3M Cold Shrink Tubing: 1.94 in I.D. Before Shrinking, 0.95 in I.D. After Shrinking, 6 in Lg, 10 PK (MPN 8428-6)
3M Shrink Tubing: 1.38 in I.D. Before Shrinking, 0.66 in I.D. After Shrinking, 12 in Lg, EPDM Rubber (MPN 42868)
3M
3M Shrink Tubing: 1.38 in I.D. Before Shrinking, 0.66 in I.D. After Shrinking, 12 in Lg, EPDM Rubber (MPN 42868)
3M Shrink Tubing: 0.82 in I.D. Before Shrinking, 0.1 in I.D. After Shrinking, 8 in Lg, EPDM Rubber (MPN 42865)
3M
3M Shrink Tubing: 0.82 in I.D. Before Shrinking, 0.1 in I.D. After Shrinking, 8 in Lg, EPDM Rubber (MPN 42865)