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3M Silicone Rubber Cold Shrink Tubing Grey 17.3mm Sleeve Diameter x 39.6mm Length 8443-2
Specifications
| Country of Origin | United States |
|---|---|
| Brand | 3M |
| Material | Silicone Rubber |
| Colour | Grey |
| Model | 8443-2 |
| Series | 8440 |
| Standards/Approvals | Test method 1004.1, MIL-C-24643A, Mil 202-Method B, MIL 1344A, BSS 7230, ASTM G23, ASTM D750 |
| Shrunk Diameter | 2.8mm |
| Sleeve Diameter | 17.3mm |
| Sleeve Length | 39.6mm |
Key Features
- Factory-expanded design enables easy manual installation without tools.
- Wide temperature operating range from -55°C to +260°C for hazardous environments.
- Flame-retardant material reduces fire spread risk.
- Resists acids, alkalis, UV light, moisture, and fluid splashes for extended durability.
- Compatible with cable sizes from 6 to 2 AWG for versatile use.
- Non-conductive silicone construction helps protect against electric shocks.
- Suitable for indoor, outdoor, aerospace, transportation, power utilities, and public infrastructure applications.
- Hydrophobic surface prevents water adhesion, maintaining insulation integrity.
Product Description
3M 8443-2 Silicone Rubber Cold Shrink Tubing is a premium electrical insulation solution designed for cable and wiring protection. Manufactured in the United States, this grey silicone rubber cold shrink tubing features a 17.3mm sleeve diameter and 39.6mm length, conforming to the 8440 Series standards.
The tubing is factory-expanded for tool-free, quick installation, making it suitable for high voltage cable splices rated up to 1000V. Its flame-retardant silicone rubber material withstands extreme thermal conditions from -55°C to +260°C and is resistant to acids, alkalis, ultraviolet light, moisture, and fluid splashes, ensuring long-lasting protection in demanding industrial settings.
Applications include power utilities, aerospace engineering, transportation industry, and public infrastructure where reliable electrical insulation and mechanical protection are critical. The tubing secures metallic wire connectors to reduce sparking hazards while its hydrophobic surface prevents moisture-related damage.
Factory-expanded for simple, manual installation without heat or tools. Wide temperature range and flame retardancy enhance safety in hazardous conditions. Durable resistance to chemical, UV, and moisture exposure. Ideal for cable diameters between 6 to 2 AWG.
Provides primary electrical insulation and physical protection for cable joints and splices. Manufactured to meet test method 1004.1, MIL-C-24643A, Mil 202-Method B, MIL 1344A, BSS 7230, ASTM G23, and ASTM D750 standards.
Choose 3M for trusted quality and engineering excellence in thermal and electrical insulation products. Explore the entire range of heat shrink and cold shrink tubing for diverse industrial needs on EnvMart.
Explore more products in our Heat Shrink Tubing category.
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Frequently Asked Questions
The sleeve diameter of this model is 17.3mm.
The length of this cold shrink tubing is 39.6mm.
It can operate within a wide temperature range from -55°C to +260°C.
This tubing is compatible with cable sizes ranging from 6 to 2 AWG.
It is made from silicone rubber, which provides excellent electrical insulation.
It meets several standards, including Test method 1004.1, MIL-C-24643A, and ASTM G23.
Yes, it is suitable for both indoor and outdoor applications, including aerospace and transportation.
The hydrophobic surface prevents water adhesion, maintaining insulation integrity and reducing moisture-related damage.
It features a factory-expanded design that allows for easy manual installation without the need for tools or heat.
It provides primary electrical insulation and physical protection for cable joints and splices, reducing sparking hazards.
It is suitable for use in power utilities, aerospace engineering, transportation, and public infrastructure applications.
The tubing is grey in color.
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