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HellermannTyton Heat Shrink Tubing Black 6.4 mm Sleeve Diameter x 5m Length 2:1 Ratio TF21-6.4/3.2-PO-X-BK
Specifications
| Country of Origin | Germany |
|---|---|
| Brand | HellermannTyton |
| Material | Cross Linked Polyolefin |
| Colour | Black |
| Model | TF21 |
| Series | TF21 |
| Standards/Approvals | ANSI, UL |
| Shrunk Diameter | 3.2mm |
| Sleeve Diameter | 6.4mm |
| Shrink Ratio | 2:1 |
| Sleeve Length | 5m |
| Shrink Ratio 2 | 1 |
| HellermannTyton Heat Shrink Tubing, Black 6.4 mm Sleeve Dia. x 5m Length 2 | 1 Ratio, TCN20 SeriesBrand: HellermannTyton |
Key Features
- Provides reliable insulation and strain relief for cables and wire harnesses.
- Features a 6.4 mm sleeve diameter before shrinking with a 3.2 mm diameter after full shrinkage.
- Manufactured from cross-linked polyolefin with excellent flame retardant properties.
- Conforms to ANSI and UL standards with notable mechanical and chemical stability.
- Ideal for electrical, automation, and cable management in industrial and commercial settings.
Product Description
The HellermannTyton 309-10640 TF21-6.4/3.2-PO-X-BK heat shrink tubing is a high-performance, flexible tubing solution engineered for insulation, protection, and identification of cables and wires in demanding environments. With a starting sleeve diameter of 6.4 mm and a shrink-to-diameter of 3.2 mm, this tubing accommodates a wide range of cable sizes and ensures a close fit after application. Each unit is provided as a continuous reel measuring 5 meters in length, allowing for bulk installation and minimizing waste in industrial applications.
Constructed from cross-linked polyolefin, the TF21 series delivers high mechanical strength, excellent strain relief, and robust chemical resistance. Its flame retardant nature contributes to enhanced safety, making it suitable for use in panels, wiring looms, and critical protection zones. The product is internationally compliant, meeting ANSI and UL approval standards to suit both global and regional requirements.
The 2:1 shrink ratio enables the tubing to conform snugly around uneven shapes, connectors, and splices, offering secure insulation and environmental shielding. The black color finish aids in cable identification and resists discoloration in harsh environments, while the thin-walled, flexible construction supports easy handling and installation even in tight spaces. Notably, this tubing is not halogen-free, which should be considered for low-toxicity applications.
Applications for this HellermannTyton heat shrink tubing span industrial automation, commercial wiring, control panels, maintenance workshops, and custom electrical assemblies. It is especially appropriate for those needing UL-certified protection with reliable heat shrink performance in manufacturing, facility maintenance, field installations, and retrofits.
This product contains: 1 reel of HellermannTyton TF21-6.4/3.2-PO-X-BK Heat Shrink Tubing, black, 5 meters in length. For more options in heat shrink protection, browse the full HellermannTyton portfolio in the Wires & Cables category on EnvMart.
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Frequently Asked Questions
The sleeve diameter before shrinking is 6.4 mm.
After full shrinkage, the diameter reduces to 3.2 mm.
Each unit comes as a continuous reel measuring 5 meters in length.
It is constructed from cross-linked polyolefin, which provides excellent mechanical strength and chemical resistance.
The shrink ratio is 2:1, allowing it to conform snugly around various shapes and connectors.
It meets ANSI and UL standards, ensuring compliance with international safety and performance requirements.
It is ideal for industrial automation, commercial wiring, control panels, and custom electrical assemblies.
Yes, it features excellent flame retardant properties, enhancing safety in its applications.
The heat shrink tubing is manufactured in Germany.
Yes, it is available in black, which aids in cable identification and resists discoloration.
It provides reliable insulation and strain relief for cables and wire harnesses in demanding environments.
No, this tubing is not halogen-free, which should be considered for low-toxicity applications.
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