Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
2811212 Cembre TBS24X20GY TERMOBLOCK
Cembre 2811212 TBS24X20GY TERMOBLOCK grey polyolefin heat shrink tubing with a 2:1 shrink ratio, 2.5 mm pre-shrink diameter and 20 m coil for cable insulation and identification.
£31.20
Why Choose the Cembre 2811212 Heat Shrink Tubing?
The Cembre 2811212 is a premium polyolefin heat shrink tubing designed to provide dependable electrical insulation, cable identification and long-lasting mechanical protection. Manufactured by Cembre, this TERMOBLOCK heat shrink sleeve is ideal for industrial wiring, electrical control panels, automation systems and OEM installations requiring professional cable management.
Featuring a 2:1 shrink ratio, the tubing shrinks securely around cables and electrical connections, protecting them against abrasion, moisture, dust and corrosive environments. Its halogen-free, flame-retardant polyolefin construction provides excellent durability while remaining flexible for quick and reliable installation.
With an internal diameter of 2.5 mm before shrinking, approximately 1.0 mm after shrinking, and supplied on a 20 m coil, the grey Cembre 2811212 is ideal for cable insulation, wire marking and colour-coded identification in professional electrical applications.
Key Advantages
- Professional polyolefin heat shrink tubing for electrical insulation.
- 2:1 shrink ratio provides a secure fit around cables and conductors.
- Protects against abrasion, moisture, dust and corrosion.
- Halogen-free and flame-retardant construction.
- Grey finish enables organised cable identification.
- Suitable for industrial, commercial and OEM electrical installations.
Key Features
- Cembre TERMOBLOCK heat shrink tubing.
- Model: TBS24X20GY.
- 2:1 shrink ratio.
- 2.5 mm internal diameter before shrinking.
- 1.0 mm internal diameter after shrinking.
- 20 m coil length.
- Grey flame-retardant polyolefin construction.
- Halogen-free and RoHS compliant.
Reliable Cable Protection for Electrical Wiring
Heat shrink tubing provides a durable insulating barrier around cables and electrical connections while improving resistance to wear, vibration and environmental exposure. Once heated, the tubing contracts tightly around the cable to create a neat, professional finish and help extend the service life of electrical installations.
Cembre TERMOBLOCK tubing is trusted by electricians, panel builders and machine manufacturers for dependable cable insulation and identification across demanding industrial environments.
Typical Applications
- Industrial control panels.
- Electrical cable insulation.
- Machine and automation wiring.
- Wire harnesses and cable bundling.
- OEM equipment manufacturing.
- Cable identification and colour coding.
Technical Specifications
Tick the specs you need, then view products that match.
| Height (mm) | 20 mm | |
|---|---|---|
| Device Type | Heat-shrink marker sleeve | |
| Fixing Method | Heat-shrink | |
| Material | Polyolefin | |
| Colour | Grey | |
| Label / Marker Dimensions (mm) | 24 × 20 mm | |
| Width (mm) | 24 mm | |
| Series | TERMOBLOCK | |
| SKU | 2811212 | |
| Product type | Heat shrink tubing | |
| Material | Polyolefin | |
| Shrink ratio | 2:1 | |
| Colour | Grey | |
| Internal diameter (before shrinking) | 2.5 mm | |
| Internal diameter (after shrinking) | 1.0 mm | |
| Wall thickness (after shrinking) | 0.45 mm | |
| Coil length | 20 m | |
| Minimum shrink temperature | 70°C | |
| Full shrink temperature | 110°C | |
| Operating temperature | -55°C to +125°C | |
| Dielectric strength | 15 kV/mm | |
| Halogen free | Yes | |
| RoHS compliant | Yes | |
| HS Code | 39173200 | |
| Country of Manufacture | China |
Frequently Asked Questions
What is the Cembre 2811212 used for?
It is used to insulate, protect and identify electrical cables and wire terminations in industrial and commercial electrical installations.
What is the shrink ratio?
The tubing has a 2:1 shrink ratio, allowing it to shrink securely around small-diameter cables and conductors.
What cable size does this tubing fit?
It has an internal diameter of 2.5 mm before shrinking and approximately 1.0 mm after shrinking.
Is this tubing halogen free?
Yes. It is manufactured from halogen-free flame-retardant polyolefin and complies with RoHS requirements.
Where is this tubing commonly used?
It is widely used in industrial automation, electrical panel building, machine wiring and OEM electrical assemblies.
Trusted by Electrical Professionals Worldwide
Cembre TERMOBLOCK heat shrink tubing is trusted worldwide for delivering dependable cable insulation, mechanical protection and professional-quality electrical installations.
