Heat Shrink Tube 4mm Red 1 meter
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![Heat Shrink Tube 4mm Red 1 meter]()
![Heat Shrink Tube 4mm Red 1 meter]()
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Made from high-quality polyolefin material, the tubing features a 2:1 shrink ratio, allowing its nominal diameter to reduce from 4mm to approximately 2mm when fully recovered. When suitable heat is applied, it contracts tightly around compatible wires and connections, creating a secure, flexible, and professional insulating finish. With its abrasion resistance, electrical insulation properties, and easy installation, this 1-metre heat shrink tube is suitable for multiple electrical repairs, cable assemblies, and electronic projects.
-37%
Heat Shrink Tube 4mm Red 1 meter
Available:In Stock
- Product SKU: KG253
₹ 49
₹ 79
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Warehouse Details:
Specification
Description
Product Description
The 4mm Heat Shrink Tubing 100cm / 1 Metre Red is a flexible, flame-retardant electrical insulation sleeve designed to protect wires, solder joints, cable connections, and electronic components. Featuring a 4mm pre-shrink diameter and 100cm length, this tubing provides reliable electrical insulation, cable protection, and wire organization for electronics, automotive wiring, robotics, and DIY projects. Its red colour is particularly useful for positive polarity identification, cable marking, and organized wiring installations.Made from high-quality polyolefin material, the tubing features a 2:1 shrink ratio, allowing its nominal diameter to reduce from 4mm to approximately 2mm when fully recovered. When suitable heat is applied, it contracts tightly around compatible wires and connections, creating a secure, flexible, and professional insulating finish. With its abrasion resistance, electrical insulation properties, and easy installation, this 1-metre heat shrink tube is suitable for multiple electrical repairs, cable assemblies, and electronic projects.
Technical Details
- Item Type: Heat Shrink Tubing
- Product Type: Electrical Insulation Sleeve
- Pre-shrink Diameter: 4mm
- Shrink Ratio: 2:1
- Recovered Diameter: Approximately 2mm
- Shrink Temperature: ≥ 70°C
- Full Recovery Temperature: ≥ 110°C
- Material: Polyolefin
- Rated Voltage: 600V
- Dielectric Strength: ≥ 15 kV/mm
- Operating Temperature: -55°C to +125°C
- Length: 100cm (1 Metre)
- Colour: Red
- Installation Method: Heat Application
- Application: Electrical Insulation and Wire Protection
Features
- 4mm pre-shrink diameter with 2:1 shrink ratio
- Flexible and flame-retardant polyolefin material
- Provides effective electrical insulation and wire protection
- Helps protect connections from dust, moisture, and abrasion
- Red colour for positive polarity identification
- Suitable for covering solder joints and cable connections
- Lightweight and flexible tubular construction
- Easy to cut into smaller sections as required
- Shrinks uniformly when suitable heat is applied
- 100cm length suitable for multiple wiring projects
- Ideal for DIY electronics, robotics, and electrical maintenance
Working Principle
The 4mm Heat Shrink Tubing operates on the principle of heat-induced polymer contraction. It is manufactured from specially processed polyolefin material that shrinks when exposed to an appropriate temperature.
When heat is applied evenly using a heat gun or suitable heating tool, the tubing begins to contract around the wire, soldered joint, or electrical connection. With a 2:1 shrink ratio, its nominal diameter can reduce from 4mm to approximately 2mm, forming a close-fitting protective sleeve.
After cooling, the tubing retains its reduced diameter and provides a flexible insulating layer that helps prevent accidental electrical contact, minor mechanical damage, and wire abrasion. Its red colour also helps identify positive electrical connections and organize wiring systems.
When heat is applied evenly using a heat gun or suitable heating tool, the tubing begins to contract around the wire, soldered joint, or electrical connection. With a 2:1 shrink ratio, its nominal diameter can reduce from 4mm to approximately 2mm, forming a close-fitting protective sleeve.
After cooling, the tubing retains its reduced diameter and provides a flexible insulating layer that helps prevent accidental electrical contact, minor mechanical damage, and wire abrasion. Its red colour also helps identify positive electrical connections and organize wiring systems.
Applications
- Electrical wire insulation and protection
- Covering and insulating solder joints
- Positive battery terminal wire identification
- Cable bundling and colour-coded wiring
- Automotive electrical wiring applications
- DIY electronics and STEM projects
- Arduino and Raspberry Pi wiring projects
- Robotics and automation systems
- RC drone and aircraft wiring
- Battery connector and cable insulation
- Home appliance repair and maintenance
- Industrial control panel wiring
- Electronic component and terminal protection
Physical Attributes
- Nominal Diameter (Before Shrink): 4mm
- Recovered Diameter (After Shrink): Approximately 2mm
- Wall Thickness (After Shrink): Approximately 0.5mm
- Length: 100cm (1000mm)
- Colour: Red
- Material: Flexible Polyolefin
- Shape: Hollow Cylindrical Tube
- Surface: Smooth Finish
- Construction: Lightweight and Flexible
- Cuttable: Yes
Installation and Usage Instructions
- Disconnect the electrical power supply before installation.
- Measure the wire or connection requiring insulation.
- Cut the heat shrink tubing to the required length.
- Slide the tubing over the wire before completing the connection.
- Complete the soldered or mechanical wire connection properly.
- Position the tubing centrally over the exposed joint.
- Apply heat evenly using a temperature-controlled heat gun.
- Move the heat gun continuously to prevent localized overheating.
- Allow the tubing to shrink securely around the wire or connection.
- Remove the heat source once the tubing fits properly.
- Allow the tubing to cool before handling.
- Inspect the insulation before reconnecting electrical power.
Frequently Asked Questions (FAQs)
- What is the diameter of this heat shrink tubing? The tubing has a nominal pre-shrink diameter of 4mm.
- What is the total length? The tube is 100cm or 1 metre long.
- What is the shrink ratio? It has a 2:1 shrink ratio, reducing its nominal diameter from 4mm to approximately 2mm.
- What material is used? It is made from flexible polyolefin material.
- What temperature is required for shrinking? Shrinking begins at approximately 70°C, with full recovery at approximately 110°C.
- Can it be used for electrical insulation? Yes, it is suitable for insulating compatible wires, solder joints, and electrical connections within its specified ratings.
- Why is the tubing red? Red tubing is useful for identifying positive polarity wires and colour-coding electrical connections.
- Can I cut the tubing into smaller pieces? Yes, it can be easily cut according to the required length.
- Which tool is recommended for shrinking? A temperature-controlled heat gun is recommended for uniform heating.
- Can it be used for battery connections? Yes, provided the tubing size and electrical insulation rating are suitable.
- Is it suitable for electronics and robotics projects? Yes, it is suitable for DIY electronics, robotics, RC models, and wiring applications.
- Can the tubing be reused after shrinking? No, the shrinking process is not normally reversible.
- Is the tubing waterproof? Standard heat shrink tubing offers limited moisture protection but does not guarantee a waterproof seal.
- What is included in the package? One 100cm length of 4mm red heat shrink tubing.
Safety Precautions
- Always disconnect electrical power before installation.
- Use a suitable heat gun with controlled temperature.
- Do not touch the tubing immediately after heating.
- Avoid overheating or burning the insulating material.
- Keep heating tools away from flammable objects.
- Use the tubing within its specified electrical and temperature ratings.
- Ensure that all exposed electrical connections are properly insulated.
- Do not use damaged or burnt heat shrink tubing.
- Allow the tubing to cool before handling the connection.
- Do not rely on standard tubing alone for waterproof sealing.
Package Includes
- 1 × Heat Shrink Tubing 4mm Red – 100cm / 1 Metre
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