Medium Wall Heat Shrink Tubing- 3:1 Shrink Ratio 4' .400"-.150” 12-6AWG - Heat Shrink Tubing

This medium wall heat shrink tubing is designed for low voltage electrical applications up to 2500 volts. Manufactured from cross-linked polyolefin, it provides reliable insulation and protection for wire and cable connections, suitable for electrical distributors, lighting solutions, and switchgear suppliers requiring durable, high-performance tubing.

Specifications

• Material: Polyolefin
• Length: 4 ft
• Shrink Ratio: 3:1
• Expanded Internal Diameter (min): 0.40 in
• Recovered Internal Diameter (max): 0.15 in
• Wall Thickness (nominal): 0.080 in
• Application Range: 12-6 AWG wire sizes
• 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: 2500 V, 60 Hz, 1 min, no breakdown
• Fluid Resistance: Good to Excellent per MIL-DTL-23053/5
• Copper Corrosion: None
• Water Absorption: 0.1%
• Fungus Resistance: No growth
• Adhesive Softening Point: 92°C ± 5°C
• Adhesive Peel Strength: 35 pli to steel/aluminum/polyethylene, 20 pli to PVC
• Adhesive Lap Shear Strength: 125 psi (0.875 MPa)
• Water Penetration: No penetration after 286 hours continuous immersion
• Product Weight: 0.1500 lbs

Features

• Cross-linked polyolefin construction for enhanced mechanical and thermal performance
• Medium wall thickness provides reliable electrical insulation and environmental protection
• 3:1 shrink ratio allows for versatile application on a range of wire sizes (12-6 AWG)
• Resistant to heat, cold, fluids, fungus, and corrosion ensuring long-term durability
• Adhesive lining ensures moisture sealing and secure adhesion to substrates
• Meets UL 486D standards for dielectric voltage withstand

Downloads & Links

• Spec Sheet