Heat Shrink 3mm 1M Black

The Heat Shrink 3mm 1M Black is a high-quality, precision insulation tube designed for small-gauge wires, delicate electronic components, and compact wiring systems. This versatile tubing is widely used by electricians, automotive technicians, electronics engineers, and hobbyists who require durable, efficient, and professional-grade insulation. With a pre-shrink diameter of 3mm, it is ideal for micro-wiring applications, sensor leads, PCB jumpers, LED strip connections, and low-voltage signal lines.

Manufactured from premium flame-retardant polyolefin, the Heat Shrink 3mm 1M Black offers superior resistance to abrasion, chemicals, heat, moisture, and UV exposure. When heat is applied, the tubing shrinks uniformly to half its original diameter, forming a tight, protective, and long-lasting seal around the wire. Despite its robust protection, it maintains excellent flexibility after shrinking, ensuring wires remain safe from mechanical stress, vibration, or cracking—an essential feature in small electronics, automotive systems, robotics, and mobile devices.

This tubing provides high dielectric strength, making it ideal for insulating exposed conductors, reinforcing solder joints, protecting electrical terminals, and organizing mini-cable bundles. Its sleek black finish also gives wiring systems a clean, professional appearance, improving visual organization and safety.

Key Features

• Premium-grade Heat Shrink 3mm 1M Black for small-diameter wire insulation

• Flame-retardant polyolefin ensures maximum protection and safety

• Shrink ratio 2:1 delivers tight and secure sealing

• Excellent resistance to chemicals, moisture, UV, and abrasion

• High flexibility after shrinking to support wire movement

• Ideal for micro-wires, PCB connections, and delicate electronics

• Prevents electrical shorts and extends wire lifespan

• Professional black finish enhances cable organization

Applications

The Heat Shrink 3mm 1M Black is ideal for:

• PCB wiring, jumpers, and solder joint insulation

• Arduino, Raspberry Pi, ESP32, and IoT projects

• Automotive dashboard wiring, sensor cables, and signal lines

• LED strip wiring and battery cable reinforcement

• Robotics, drones, and automation systems

• Small power supply leads and low-voltage electronics

• Industrial sensors and control equipment wiring

• Organizing and bundling mini-cable assemblies

Data Sheet (Technical Specifications)

• Product Name: Heat Shrink 3mm 1M Black

• Material: Flame-retardant polyolefin

• Length: 1 meter

• Diameter (Before Shrink): 3mm

• Shrink Ratio: 2:1 (shrinks to approx. 1.5mm)

• Operating Temperature: –55°C to +125°C

• Shrink Temperature: Starts at ~70°C; full shrink at ~125°C

• Dielectric Strength: ≥20kV/mm

• Chemical Resistance: Excellent

• Environmental Resistance: UV, dust, humidity, abrasion

• Flexibility: High before and after shrinking

• Color: Black

Benefits

• Provides strong electrical insulation and mechanical protection

• Prevents short circuits, corrosion, and wire fatigue

• Easy to use with a lighter, heat gun, or hot-air tool

• Suitable for precision applications in compact wiring environments

• Ensures long-lasting reliability even in harsh conditions

• Perfect for technicians, engineers, and DIY users

Why Choose This Model?

is the ideal solution for insulating fine wires and protecting delicate electronic connections. Its small diameter, high shrink performance, and robust material make it perfect for small-scale electronics, automotive repairs, robotics, instrumentation, and home electrical projects. Whether you’re securing solder joints, protecting signal cables, or organizing micro-wiring, this tubing ensures professional-grade performance and long-term stability.