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| Country of Origin | United Kingdom |
|---|---|
| Brand | RS PRO |
| Material | Polyolefin |
| Colour | Black |
| Model | 389-634 |
| Standards/Approvals | SFP (R4-0580), RoHS Compliant, ELV |
| Shrunk Diameter | 1.2mm |
| Sleeve Diameter | 2.4mm |
| Shrink Ratio | 2:1 |
| Sleeve Length | 25m |
| Shrink Ratio 2 | 1 |
| Heat Shrink Temperature | 90°C |
| RS Pro Heat Shrink Tubing Ratio 2 | 1 |
| What does a heat shrink ratio of 2 | 1 mean? |
| A ratio of 2 | 1 means when the tube is heated it shrinks to half of its original diameter |
| TE Connectivity Heat Shrink Tubing, Black 2.4 mm Sleeve Dia. x 10m Length 2 | 1 Ratio, CGPT SeriesBrand: TE Connectivity |
| RS PRO Heat Shrink Tubing, Black 2.4 mm Sleeve Dia. x 25m Length 2 | 1 RatioBrand: RS PRO |
RS PRO 389-634 Heat Shrink Tubing is a black, flexible polyolefin sleeve designed for electrical insulation and protection. With a sleeve diameter of 2.4 mm and length of 25 metres, this tubing shrinks to half its original size (2:1 ratio) when heated, allowing snug coverage over wires, terminations, and cable joints. The tubing operates within a broad temperature range of -55°C to +105°C, making it suitable for a variety of electrical and electronic applications, including delicate or temperature-sensitive equipment.
The tubing has a low shrink temperature of 90°C, ensuring safe and efficient use with heat guns or specialized ovens. Its flexible material provides reinforcement for terminations, enhances wire bundling, and offers color coding capabilities for cable management. Supplied on a small reel, the tubing is easy to store and dispense, supporting efficient workflow in industrial and laboratory environments.
This product conforms to several industry standards such as SFP (R4-0580), RoHS compliance, and ELV directive, ensuring reliable quality for manufacturing, construction, HVAC, and electrical applications. Although it is not flame retardant or halogen free, it meets general-purpose insulation requirements effectively.
The tubing shrinks to half its diameter upon heating, providing tight insulation. Made from flexible polyolefin material resistant to abrasion and chemicals. Suitable for operating temperatures ranging from -55°C to +105°C.
Low shrink temperature at 90°C protects sensitive components during installation. Compliant with RoHS and ELV standards for environmental and safety regulations. Conveniently supplied on reels for easy handling and application.
Ideal for electrical insulation, reinforcement of joints, and cable bundling tasks.
RS PRO’s heat shrink tubing is widely utilised across electronics, electrical, automotive, and industrial sectors for wire insulation and protection, offering a dependable solution for cable management and safety. Explore RS PRO products in the Heat Shrink Tubing category for further options tailored to your professional needs.
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