BLACK 4:1 Heat Shrink Tubing - Adhesive Lined

All You Need to Know About 4:1 Heat Shrink Tubing

Heat shrink tubing - 4:1 Adhesive Lined is a flexible, Flame retardant polyolefin heat shrinkable tubing. This is a low smoke generating, Abrasion resistant and in case of burning - produces no dioxin. Excellent acid fastness and corrosion resistant.

Sizing guide - Pre-Shrunk - Inside Diameter size

• Polyolefin (with hot melt adhesive)
• Zero Halogen
• Flame Retardant
• UL Approved
• ROHS Compliant
• Working Temperature: -55°C to +125°C
• Shrink Temperature: 90°C
• Flammability - VW1

DATASHEET

What is 4:1 Heat Shrink Tubing?

4:1 heat shrink tubing is a versatile insulating tube designed to shrink to one-fourth of its original diameter when heated. This type of tubing is widely used to protect wires, cables, and connectors from abrasion, moisture, and environmental contaminants. The '4:1' ratio means it offers a greater shrinking capacity compared to standard tubing, allowing it to tightly seal irregular shapes and provide superior insulation and protection in electrical and mechanical applications. Its adhesive lining enhances sealing by bonding to the substrate, preventing water ingress and ensuring a reliable, long-lasting connection.

Benefits of Adhesive Lined BLACK 4:1 Heat Shrink Tubing

The adhesive lining inside BLACK 4:1 heat shrink tubing creates a water-resistant and airtight seal after shrinking, which makes it ideal for outdoor and harsh environment uses. This adhesive not only reinforces the tubing’s mechanical strength but also improves electrical insulation by filling gaps and bonding to wires or connectors. The black color offers UV resistance and a professional, clean appearance, making it suitable for automotive, marine, and industrial applications. Additionally, the tubing’s flexibility and durability make installation quick and secure for a wide range of wiring projects.

Applications and Usage Tips

BLACK 4:1 heat shrink tubing with adhesive lining is used extensively in electronics, automotive wiring, aerospace, and telecommunications. It protects connections against moisture, chemicals, and abrasion, reducing maintenance and the risk of short circuits. When applying, ensure the tubing covers the area fully before heating evenly with a heat gun or flame, causing it to shrink tightly and activate the adhesive. Choosing the correct size tubing relative to the diameter of the wires or connectors is vital for optimal results. This tubing is also compatible with both stranded and solid wires, adding versatility to your projects.