Medium Wall Heat Shrink Tubing- 3:1 Shrink Ratio 4' 1.30"-.400” – Heat Shrink Tubing

This Medium Wall Heat Shrink Tubing is designed for low voltage applications up to 2500 volts. Manufactured from cross-linked polyolefin, it provides reliable insulation and protection for electrical wiring and components. Suitable for electrical distributors, lighting solutions, wire and cable installations, and switchgear suppliers requiring durable heat shrink materials.

Specifications

• Material: Polyolefin
• Length: 4 ft
• Expanded Internal Diameter (max): 1.30 in
• Recovered Internal Diameter (min): 0.40 in
• Wall Thickness (nominal): 0.080 in
• Tensile Strength: 2100 psi (14.5 MPa)
• Elongation: 550%
• Heat Shock Resistance: No cracking or flowing at 225°C for 4 hours
• Low Temperature Flexibility: No cracking at -55°C for 4 hours
• Dielectric Strength: 500 V/mil (20 kV/mm)
• Dielectric Voltage Withstand: 2500V, 60Hz, 1 minute, no breakdown
• Volume Resistivity: 10^16 ohm-cm
• Fluid Resistance: Good to Excellent
• Copper Corrosion: No corrosion
• Water Absorption: 0.1%
• Fungus Resistance: No growth
• Adhesive Softening Point: 92°C ± 5°C
• Adhesive Peel Strength to Steel, Aluminum, PE: 35 pli
• Adhesive Peel Strength to PVC: 20 pli
• Adhesive Lap Shear: 125 psi (0.875 MPa)
• Adhesive Blocking: No blocking at 30°C
• Water Penetration: No penetration after 286 hours continuous immersion
• Product Weight: 0.6 lbs

Features

• 3:1 shrink ratio for versatile fitting over various wire diameters
• Medium wall thickness provides robust mechanical protection and insulation
• Cross-linked polyolefin material ensures durability and heat resistance
• Adhesive lining offers moisture sealing and improved adhesion to substrates
• Resistant to heat shock, low temperature cracking, and chemical exposure
• Suitable for electrical wiring insulation, splicing, and environmental protection

Downloads & Links

• Spec Sheet