Heat Shrink 7mm 1M Black

The Heat Shrink 7mm 1M Black is a high-quality insulation tubing designed for technicians, electricians, automotive specialists, and electronics developers who require durable, efficient, and professional-grade cable protection. With its 7mm diameter before shrinking, this tubing is ideal for small-to-medium wire gauges, sensor cables, battery leads, connectors, and control wiring commonly used in automotive, industrial, and electronic systems. It ensures strong insulation, enhanced durability, and a neat finish suitable for both technical and DIY applications.

Constructed from premium flame-retardant polyolefin, the Heat Shrink 7mm 1M Black offers outstanding resistance to abrasion, chemicals, UV radiation, dust, and moisture. It shrinks uniformly when heat is applied, reducing to half its original diameter and forming a secure, protective covering around wires and joints. Despite its robust construction, the tubing maintains flexibility after shrinking, allowing wires to move without cracking—an essential feature for mobile or vibration-prone environments such as vehicles, machinery, and outdoor installations.

This heat shrink tube is commonly used for reinforcing solder joints, protecting exposed conductors, extending wire lifespan, preventing electrical shorts, and organizing cable bundles. It is a preferred choice for those working in electronics repairs, automotive wiring, renewable energy systems, robotics, and IoT projects.

Key Features

• Premium Heat Shrink 7mm 1M Black for reliable cable insulation

• Made from flame-retardant polyolefin for superior protection

• Shrink ratio 2:1 ensures tight and secure sealing

• High resistance to chemicals, abrasion, moisture, and UV rays

• Remains flexible after shrinking to prevent cable stress

• Suitable for small-to-medium power cables and connector protection

• Prevents electrical hazards and environmental damage

• Clean black finish supports professional wiring organization

Applications

The Heat Shrink 7mm 1M Black is ideal for:

• Automotive engine wiring, battery connections, and sensor lines

• Electronic projects involving Arduino, Raspberry Pi, ESP32

• Industrial control circuits and machinery wiring

• Power supply leads, AC/DC connections, and inverter cables

• Robotics, automation, and IoT systems

• Marine and outdoor wiring installations

• Solder joint insulation and strain relief

• Cable bundling and wiring reinforcement

Data Sheet (Technical Specifications)

• Product Name: Heat Shrink 7mm 1M Black

• Material: Flame-retardant polyolefin

• Length: 1 meter

• Diameter (Before Shrink): 7mm

• Shrink Ratio: 2:1 (shrinks to approx. 3.5mm)

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

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

• Dielectric Strength: ≥20kV/mm

• Flame Retardant: Yes

• Chemical Resistance: Excellent

• Environmental Resistance: UV, dust, moisture, abrasion

• Flexibility: High, before and after shrinking

• Color: Black

Benefits

• Provides long-lasting electrical and mechanical protection

• Prevents short circuits, moisture intrusion, and wire damage

• Easy to apply using a lighter or heat gun

• Ensures a clean, professional appearance in wiring systems

• Suitable for both precision electronics and general automotive use

• Ideal for environments exposed to vibration and harsh conditions

Why Choose This Model?

 stands out due to its premium material quality, consistent shrink performance, and wide compatibility with industrial, automotive, and electronic systems. Whether you are insulating wires, reinforcing connectors, protecting circuits, or organizing cable bundles, this tubing ensures maximum safety, durability, and professional results. It is the perfect choice for engineers, technicians, and DIY users seeking long-term cable protection.