Medium Wall Heat Shrink Tubing- 3:1 Shrink Ratio 50' 1.50"-.500” 3/0-400MCM - Heat Shrink Tubing for Electrical Applications

This Medium Wall Heat Shrink Tubing by Morris Products is designed for low voltage electrical applications (2500 Volt and below). It provides reliable insulation and protection for wire and cable in industrial and commercial environments. Suitable for electrical distributors and switchgear suppliers, this polyolefin tubing offers a 3:1 shrink ratio to accommodate a range of conductor sizes from 3/0 to 400 MCM, ensuring secure coverage and environmental sealing.

Specifications

• Material: Polyolefin
• Length: 50 ft
• Wall Thickness: Medium
• Shrink Ratio: 3:1
• Voltage Rating: 2500 Volt and below
• Product Weight: 5.55 lbs
• Manufacturer: Morris Products
• Manufacturer Part #: 68148
• Tensile Strength: 2100 psi (14.5 MPa)
• Elongation: 550%
• Heat Shock Resistance: No cracking or flowing at 225°C (4 hrs)
• Low Temperature Flexibility: No cracking at -55°C (4 hrs)
• Dielectric Strength: 500 V/mil (20 kV/mm)
• Dielectric Voltage Withstand: UL 486D certified, no breakdown at 2500V, 60Hz, 1 min
• Fluid Resistance: Good to Excellent (MIL-DTL-23053/5)
• Copper Corrosion: No corrosion
• Water Absorption: 0.1%
• Fungus Resistance: No growth

Features

• Cross-linked polyolefin construction for enhanced durability and heat resistance
• Medium wall thickness provides robust electrical insulation and mechanical protection
• Adhesive inner lining for moisture sealing and improved adhesion to substrates
• Wide application range for various wire sizes (1.50" to 0.50" expanded diameter)
• Maintains flexibility and integrity under thermal cycling and harsh environmental conditions
• Resistant to water penetration, chemicals, and fungus, ensuring long-term reliability

Downloads & Links

• Spec Sheet