Blue heat shrink tube 20 mm (20-10 mm)

20 mm blue heat shrink tube for coding electrical installations

In complex electrical projects, correct identification of conductors is as important as their protection. 20 mm blue heat shrink tubing allows clear marking of cables and simplifies subsequent service and maintenance interventions.

This heat shrink tube blue 20 mm is frequently used in commercial buildings, technical centers and industrial facilities where there are hundreds of connections that need to be visually differentiated.

In addition to the identification function, the product provides additional insulation against moisture and dust. The polyolefin material resists temperature variations and retains its flexibility over the long term.

For electricians who aim for a professional installation organization, 20 mm blue heat shrink tubing is a practical and efficient choice.

Frequently Asked Questions (FAQ)

What is heat shrink tubing used for?

This heat shrink tube blue 20 mm is used for insulating wires and cables, protecting electrical connections and sealing plugs.

What is the diameter of the tube?

The initial diameter is 20 mm, and after contraction it reaches approximately 10 mm.

At what temperature does shrinkage begin?

The shrinkage process begins at approximately +70°C and is complete at temperatures up to +120°C.

Can it be used outdoors?

Yes, it provides protection against moisture, dust and environmental influences.

Is it suitable for HVAC and heat pump installations?

Yes, it is commonly used to insulate and protect wiring in HVAC equipment and heat pumps.

Recommended products

• Heat shrink tube Ø12 mm blue;
• Heat shrink tube Ø15 mm red;
• Thermal insulation
• Bloc terminal 25A
• Nylon cable ties 2.5 x 200 mm.