Cembre TBS16X20WH 2:1 halogen-free polyolefin heat shrink tubing with 1.5 mm pre-shrink diameter, 0.65 mm recovered diameter and 20 metre coil for electrical insulation and cable protection.
SKU:2811261Alt SKU:TBS16X20WHMPN:2811261
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Why Choose the Cembre TBS16X20WH Heat Shrink Tubing?
The Cembre TBS16X20WH is a premium-quality 2:1 heat shrink tubing designed to provide dependable electrical insulation, mechanical protection and cable identification for industrial and commercial wiring applications. Manufactured from durable halogen-free polyolefin, it offers excellent resistance to abrasion, moisture and environmental contaminants while maintaining outstanding electrical insulation properties.
Designed for electricians, panel builders, OEMs and maintenance engineers, the TBS16X20WH delivers reliable shrink performance for small cable assemblies, wire terminations and electronic components. Its flexible construction enables fast installation while ensuring long-term protection in demanding electrical environments.
With a 1.5 mm pre-shrink internal diameter, 0.65 mm recovered diameter and supplied in a 20 metre coil, this white heat shrink tubing is ideal for cable insulation, wire marking and compact electrical assemblies.
Key Advantages
Premium 2:1 heat shrink tubing for electrical insulation.
Halogen-free polyolefin construction.
Provides protection against moisture, abrasion and contaminants.
Ideal for cable identification and wire organisation.
Flexible material allows quick and easy installation.
Suitable for industrial, commercial and OEM electrical applications.
Key Features
Cembre Thermoblock TBS16X20WH.
2:1 shrink ratio.
1.5 mm internal diameter before shrinking.
0.65 mm recovered internal diameter.
20 metre coil length.
White colour for cable identification.
Operating temperature from -55°C to +125°C.
UL 224 VW-1 flame retardant and RoHS compliant.
Reliable Cable Protection for Electrical Installations
Heat shrink tubing provides secure insulation by shrinking tightly around wires, terminals and electrical connections when heat is applied. This creates a durable protective layer that improves electrical safety, provides strain relief and extends the service life of cable assemblies.
The Cembre Thermoblock range is trusted throughout industrial automation, panel building and electrical maintenance applications where reliable insulation and long-term durability are essential.
Typical Applications
Electrical cable insulation.
Control panel wiring.
Wire harness manufacturing.
Electronic assemblies.
Terminal and connector protection.
Cable identification and organisation.
Technical Specifications
Series
Thermoblock
Manufacturer Part Number
2811261
Product type
Heat shrink tubing
Material
Halogen-free polyolefin
Shrink ratio
2:1
Colour
White
Internal diameter (pre-shrink)
1.5 mm
Internal diameter (post-shrink)
0.65 mm
Wall thickness (post-shrink)
0.36 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
Flammability
UL 224 VW-1
Compliance
RoHS
HS Code
39173200
Country of Manufacture
China
Frequently Asked Questions
What is the Cembre TBS16X20WH used for?
It is used to insulate, protect and identify small electrical wires, terminals and cable assemblies in industrial and commercial applications.
What is the shrink ratio?
The tubing features a 2:1 shrink ratio, allowing it to fit securely around a range of cable sizes.
What temperature range does it support?
The tubing operates reliably between -55°C and +125°C.
Is the tubing halogen free?
Yes. It is manufactured from halogen-free polyolefin and complies with RoHS requirements.
Where is this heat shrink tubing commonly installed?
It is commonly used in control panels, wiring harnesses, electronic equipment, industrial machinery and general electrical installations.
Trusted by Electrical Professionals
Cembre Thermoblock heat shrink tubing is trusted by electricians, panel builders and maintenance engineers for dependable insulation, cable protection and long-term electrical reliability.
Series
Thermoblock
Manufacturer Part Number
2811261
Product type
Heat shrink tubing
Material
Halogen-free polyolefin
Shrink ratio
2:1
Colour
White
Internal diameter (pre-shrink)
1.5 mm
Internal diameter (post-shrink)
0.65 mm
Wall thickness (post-shrink)
0.36 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
Flammability
UL 224 VW-1
Compliance
RoHS
HS Code
39173200
Country of Manufacture
China
No documents available for this product.
Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
Returns
If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
Priority sourcing and supply support
Flexible payment terms for qualifying organisations
Support for engineering, maintenance, and operations
500 +
Stock lines ready to ship
1,000 +
Same day dispatches
3500 +
Customers supported
28
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● frequently asked questions
Common questions about our products and support
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
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We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...