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

3M Cold Shrink Quick Insulator: 2.25 in I.D. Before Shrinking - Cold Shrink Tubing with Mastic
3MCold Shrink Tubing with Mastic

3M Cold Shrink Quick Insulator: 2.25 in I.D. Before Shrinking

The 3M Cold Shrink Quick Insulator (SKU 3G-OTH-52182, MPN QI-18/57-325) is a cold shrink tubing with mastic made from black EPDM rubber. It has a 2.25-inch inner diameter before shrinking and a 0.71-inch inner…

SKU 3G-OTH-52182

Also listed as: QI1857325 · QI 18 57 325 · QI-18-57-325

Brand
3M
Item
Cold Shrink Quick Insulator: 2.25 in I.D. Before Shrinking
Category
Cold Shrink Tubing with Mastic
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
QI-18/57-325
Type
Before Shrinking
Material
EPDM Rubber
Lg
6 in
Color
Black
I.D. After Shrinking
0.71 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 Quick Insulator (SKU 3G-OTH-52182, MPN QI-18/57-325) is a cold shrink tubing with mastic made from black EPDM rubber. It has a 2.25-inch inner diameter before shrinking and a 0.71-inch inner diameter after shrinking, with a 6-inch length. This product provides insulation and sealing for electrical connections.

Frequently Asked Questions

What is the 3M Cold Shrink Quick Insulator used for?

The 3M Cold Shrink Quick Insulator provides insulation and sealing for electrical connections. It is commonly used in utility, industrial, and commercial applications to protect cable splices and terminations from moisture and contaminants. The EPDM rubber construction ensures reliable performance in outdoor and harsh environments.

What are the specifications of the 3M Cold Shrink Quick Insulator QI-18/57-325?

The 3M Cold Shrink Quick Insulator QI-18/57-325 has a 2.25-inch inner diameter before shrinking and a 0.71-inch inner diameter after shrinking, with a 6-inch length. It is made from black EPDM rubber and includes mastic for enhanced sealing. The manufacturer part number is QI-18/57-325.

Where to buy the 3M Cold Shrink Quick Insulator worldwide?

You can source the 3M Cold Shrink Quick Insulator worldwide through 3G Electric. As a global industrial equipment distributor since 1990, 3G Electric handles full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this 3M product.

How to install the 3M Cold Shrink Quick Insulator?

To install the 3M Cold Shrink Quick Insulator, slide the tubing over the connection before shrinking, ensuring the mastic aligns with the area to be sealed. Remove the core support to allow the tubing to shrink snugly around the cable. 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 cold shrink tubing with mastic. 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

More from 3M

View all 3M parts
3M Cold Shrink Quick Insulator: 1.45 in I.D. Before Shrinking, 0.4 in I.D. After Shrinking, Black (MPN QI-10/37-270)
3M
3M Cold Shrink Quick Insulator: 1.45 in I.D. Before Shrinking, 0.4 in I.D. After Shrinking, Black (MPN QI-10/37-270)
3M Cold Shrink Quick Insulator: 0.65 in I.D. Before Shrinking, 0.2 in I.D. After Shrinking, Black (MPN QI-5/16-220)
3M
3M Cold Shrink Quick Insulator: 0.65 in I.D. Before Shrinking, 0.2 in I.D. After Shrinking, Black (MPN QI-5/16-220)