20mm Heat Shrink Tubing

20mm Heat Shrink Tubing – 2:1 Shrink Ratio

Product Overview:
This 20mm heat shrink tubing is a reliable solution for insulating and protecting electrical connections. With a 2:1 shrink ratio, it reduces to half its diameter when heated, forming a tight, protective seal over wires and cable joints.

Key Features:

• Pre-Shrink Diameter: 20mm

• Length: 1 meter per unit (multiple units ship as a continuous length)

• Shrink Ratio: 2:1 – shrinks to 10mm diameter when heated

• Material: Durable cross-linked polyolefin

• Functionality:

  • Provides electrical insulation

  • Offers strain relief and mechanical protection

  • Shields against abrasion and minor moisture exposure

Specifications:

• Nominal Diameter (Pre-Shrink): 20mm

• Shrink Ratio: 2:1

• Material: Polyolefin outer shell with inner thermoplastic adhesive

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

• Shrink Activation: Begins at ~70°C, full shrink at ~110°C

• Environmental Protection: Waterproof with proper installation

Applications:

• Cable Insulation and Protection:

• Battery Pack Wrapping:

• Strain Relief

• Corrosion and Moisture Protection

• Color Coding and Identification