Medium Wall Heat Shrink Tubing- 3:1 Shrink Ratio 4' 1.50"-.500” 3/0-400MCM - Heat Shrink Tubing for Electrical Wire and Cable Protection

This Medium Wall Heat Shrink Tubing, manufactured by Morris Products, is designed for low voltage applications up to 2500 volts. Constructed from cross-linked polyolefin, it provides reliable insulation and protection for wire and cable in electrical distribution and lighting solutions. Its 3:1 shrink ratio ensures a tight fit over a range of conductor sizes, making it suitable for use by electrical distributors and switchgear suppliers requiring durable, flexible tubing for wire management and insulation.

Specifications

• Material: Polyolefin
• Length: 4 ft
• Product Weight: 0.6000 lbs
• Manufacturer: Morris Products
• Manufacturer Part #: 68120
• Dielectric Strength: 500 V/mil (20kV/mm)
• Heat Shock Resistance: No cracking or flowing at 225°C for 4 hours
• Low Temperature Flexibility: No cracking at -55°C for 4 hours
• Tensile Strength: 2100 psi (14.5 MPa)
• Elongation: 550%
• Volume Resistivity: 10^16 ohm-cm
• Water Absorption: 0.1%
• Fungus Resistance: No growth
• Adhesive Softening Point: 92°C ± 5°C

Features

• Medium wall thickness providing enhanced mechanical protection
• Cross-linked polyolefin construction for durability and flexibility
• 3:1 shrink ratio accommodates a wide range of wire sizes (3/0-400 MCM)
• Excellent fluid resistance and copper corrosion resistance
• Adhesive lining for superior sealing and moisture resistance
• Maintains electrical insulation properties under thermal and mechanical stress
• Resistant to fungus and water penetration for reliable long-term use

Downloads & Links

• Spec Sheet