Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3M Cold Shrink Insulator: 3.69 in I.D. Before Shrinking, 1.68 in I.D. After Shrinking - Standard Cold Shrink Tubing
3MStandard Cold Shrink Tubing

3M Cold Shrink Insulator: 3.69 in I.D. Before Shrinking, 1.68 in I.D. After Shrinking

The 3M Cold Shrink Insulator (SKU 5ZNJ4) is a standard cold shrink tubing product made from black EPDM rubber. It has a 3.69-inch inner diameter before shrinking and a 1.68-inch inner diameter after shrinking, with…

SKU 3G-OTH-52660

Brand
3M
Item
Cold Shrink Insulator: 3.69 in I.D. Before Shrinking, 1.68 in I.D. After Shrinking
Category
Standard Cold Shrink Tubing
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
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

Technical Specifications

3M
Manufacturer Part Number
8430-18
Type
Before Shrinking
Material
EPDM Rubber
Lg
18 in
Color
Black
I.D. After Shrinking
1.68 in
View Full Spec Sheet

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 5ZNJ4) is a standard cold shrink tubing product made from black EPDM rubber. It has a 3.69-inch inner diameter before shrinking and a 1.68-inch inner diameter after shrinking, with an 18-inch length (MPN 8430-18).

Frequently Asked Questions

What is the 3M Cold Shrink Insulator 8430-18 used for?

The 3M Cold Shrink Insulator 8430-18 is used for insulating and protecting electrical cable connections and splices in medium-voltage power distribution systems. Its EPDM rubber construction provides reliable electrical insulation and environmental sealing for utility, industrial, and commercial applications.

What are the specifications of the 3M Cold Shrink Insulator 8430-18?

The 3M Cold Shrink Insulator 8430-18 has a 3.69-inch inner diameter before shrinking and a 1.68-inch inner diameter after shrinking. It is 18 inches long, made from black EPDM rubber, and is a standard cold shrink tubing product. The manufacturer part number is 8430-18.

Where to buy the 3M Cold Shrink Insulator 8430-18 worldwide?

You can source the 3M Cold Shrink Insulator 8430-18 worldwide through 3G Electric. As a global industrial equipment distributor, 3G Electric handles full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to install the 3M Cold Shrink Insulator 8430-18?

To install the 3M Cold Shrink Insulator 8430-18, position the tubing over the cable joint or splice, then remove the inner support core to allow the EPDM rubber to shrink and conform tightly. Ensure the cable surface is clean and dry before installation. 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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Similar products

Matched by specification & description
3M Heat Shrink Tubing: 0.5 in I.D. Before Shrinking, 0.25 in I.D. After Shrinking, 200 ft Lg, 3 PK (MPN FP301-1/2-200'-YELLOW-SPOOL). Key specifications — Color: Yellow; Brand: 3M.
3M
3M Heat Shrink Tubing: 0.5 in I.D. Before Shrinking, 0.25 in I.D. After Shrinking, 200 ft Lg, 3 PK (MPN FP301-1/2-200'-YELLOW-SPOOL). Key specifications — Color: Yellow; Brand: 3M.
INSULTAB Heat Shrink Tubing: 0.38 in I.D. Before Shrinking, 0.19 in I.D. After Shrinking, 2:1, 5 PK (MPN HSN-100-3/8 Blk 6). Key specifications — Color: Black; Brand: INSULTAB.
INSULTAB
INSULTAB Heat Shrink Tubing: 0.38 in I.D. Before Shrinking, 0.19 in I.D. After Shrinking, 2:1, 5 PK (MPN HSN-100-3/8 Blk 6). Key specifications — Color: Black; Brand: INSULTAB.
INSULTAB Heat Shrink Tubing: 0.13 in I.D. Before Shrinking, 0.07 in I.D. After Shrinking, 2:1, 5 PK (MPN HSN-100-1/8 Blk 48). Key specifications — Color: Black; Brand: INSULTAB.
INSULTAB
INSULTAB Heat Shrink Tubing: 0.13 in I.D. Before Shrinking, 0.07 in I.D. After Shrinking, 2:1, 5 PK (MPN HSN-100-1/8 Blk 48). Key specifications — Color: Black; Brand: INSULTAB.
INSULTAB Heat Shrink Tubing: 2 in I.D. Before Shrinking, 1 in I.D. After Shrinking, 6 in Lg, 5 PK (MPN HSN-100 2" Blk 6). Key specifications — Color: Black; Brand: INSULTAB.
INSULTAB
INSULTAB Heat Shrink Tubing: 2 in I.D. Before Shrinking, 1 in I.D. After Shrinking, 6 in Lg, 5 PK (MPN HSN-100 2" Blk 6). Key specifications — Color: Black; Brand: INSULTAB.
INSULTAB Heat Shrink Tubing: 0.19 in I.D. Before Shrinking, 0.11 in I.D. After Shrinking, 200 ft Lg (MPN HSN-100-3/16 Blk 200). Key specifications — Color: Black; Brand: INSULTAB.
INSULTAB
INSULTAB Heat Shrink Tubing: 0.19 in I.D. Before Shrinking, 0.11 in I.D. After Shrinking, 200 ft Lg (MPN HSN-100-3/16 Blk 200). Key specifications — Color: Black; Brand: INSULTAB.
INSULTAB Heat Shrink Tubing: 1 in I.D. Before Shrinking, 0.5 in I.D. After Shrinking, 100 ft Lg, 2:1 (MPN HSN-100 1" Blk 100). Key specifications — Color: Black; Brand: INSULTAB.
INSULTAB
INSULTAB Heat Shrink Tubing: 1 in I.D. Before Shrinking, 0.5 in I.D. After Shrinking, 100 ft Lg, 2:1 (MPN HSN-100 1" Blk 100). Key specifications — Color: Black; Brand: INSULTAB.

More from 3M

View all 3M parts
3M Cold Shrink Insulator: 1.51 in I.D. Before Shrinking, 0.23 in I.D. After Shrinking, 9 in Lg (MPN QI-6-4/0-9-(M)). Key specifications — Color: Black; Material: EPDM Rubber.
3M
3M Cold Shrink Insulator: 1.51 in I.D. Before Shrinking, 0.23 in I.D. After Shrinking, 9 in Lg (MPN QI-6-4/0-9-(M)). Key specifications — Color: Black; Material: EPDM Rubber.
3M Cold Shrink Insulator: 2.67 in I.D. Before Shrinking, 1.27 in I.D. After Shrinking, 15 in Lg (MPN 8429-15). Key specifications — Color: Black; Material: EPDM Rubber.
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). Key specifications — Color: Black; Material: EPDM Rubber.
3M Cold Shrink Insulator: 2.67 in I.D. Before Shrinking, 1.27 in I.D. After Shrinking, Black, 10 PK (MPN 8429-6). Key specifications — Color: Black; Material: EPDM Rubber.
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). Key specifications — Color: Black; Material: EPDM Rubber.
3M Cold Shrink Insulator: 1.38 in I.D. Before Shrinking, 0.69 in I.D. After Shrinking, 12 in Lg (MPN 8427-12). Key specifications — Color: Black; Material: EPDM Rubber.
3M
3M Cold Shrink Insulator: 1.38 in I.D. Before Shrinking, 0.69 in I.D. After Shrinking, 12 in Lg (MPN 8427-12). Key specifications — Color: Black; Material: EPDM Rubber.
3M Cold Shrink Insulator: 1.94 in I.D. Before Shrinking, 0.95 in I.D. After Shrinking, 8 in Lg (MPN 8428-8). Key specifications — Color: Black; Material: EPDM Rubber.
3M
3M Cold Shrink Insulator: 1.94 in I.D. Before Shrinking, 0.95 in I.D. After Shrinking, 8 in Lg (MPN 8428-8). Key specifications — Color: Black; Material: EPDM Rubber.
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). Key specifications — Color: Black; Material: EPDM Rubber.
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). Key specifications — Color: Black; Material: EPDM Rubber.
3M Shrink Tubing: 2.67 in I.D. Before Shrinking, 1.27 in I.D. After Shrinking, 9 in Lg, EPDM Rubber (MPN 42018). Key specifications — Color: Black; Material: EPDM Rubber.
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). Key specifications — Color: Black; Material: EPDM Rubber.
3M Cold Shrink Insulator: 2.67 in I.D. Before Shrinking, 1.27 in I.D. After Shrinking, Black, 10 PK (MPN 8429-18). Key specifications — Color: Black; Material: EPDM Rubber.
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). Key specifications — Color: Black; Material: EPDM Rubber.