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Heat Shrink 4mm 1meter
🔥 Heat Shrink Tubing – 2 mm, 3 mm, 4 mm (1 m Length)
High-quality polyolefin heat-shrink tubing in three common diameters—2 mm, 3 mm, and 4 mm—available in convenient 1 meter lengths. Ideal for insulating wires, splices, and protecting components in electronics, automotive, and DIY projects.
⚙️ Specifications
Material: Polyolefin (2:1 shrink ratio)
Available OD (unshrunk): 2 mm, 3 mm, 4 mm
Shrunk ID: ~1 mm, 1.5 mm, 2 mm respectively
Length: 1 meter per size
Wall Type: Flexible thin wall
Temperature Range: Typically −55 °C to +135 °C
Color: Black (standard); other colors may be available
⭐ Features & Benefits
🛡️ Electrical Insulation: Adds abrasion and moisture protection
🔩 Secure Fit: Shrinks tightly around wires and connectors
🔥 Heat-Resistant: Ideal for use near engines or within electronics
🎨 Modular Sizes: 2 mm for signal wires, 4 mm for power leads
⚙️ Easy to Use: Shrinks quickly with a heat gun or lighter (be cautious)
📚 How to Use Heat Shrink Tubing
Select the right size—tube ID should be just larger than the wire insulation
Slide the tubing over the wire/joint before soldering
After soldering, position the tubing over the exposed area
Apply heat evenly (e.g., with heat gun around 150°C) until it shrinks snugly
🛠️ Typical Applications
Wire and cable harness insulation
Solder joint and connector protection
DIY model wiring, Arduino, Raspberry Pi setups
Automotive and LED installations
Repairs and waterproofing of electronic components