Heavy Wall Heat Shrink Tubing Flame Retardant 48” 2.00"-.63" 250-500 MCM – Heat Shrink Tubing

This heavy wall heat shrink tubing is designed for electrical insulation and protection applications, suitable for wire and cable sizes ranging from 250 to 500 MCM. Manufactured from durable polyolefin material, it offers flame retardant properties, making it appropriate for use in electrical distribution and lighting solutions where safety and reliability are critical. The tubing provides excellent mechanical protection and environmental sealing for conductors and splices in switchgear assemblies and other electrical installations.

Specifications

• Length: 48 in
• Material: Polyolefin
• Application Range: 250-500 MCM conductor size
• Expanded Diameter (max): 2.00 in (50.8 mm)
• Recovered Diameter (min): 0.63 in (16.0 mm)
• Wall Thickness (nominal): 0.16 in (4.1 mm)
• Tensile Strength: 2100 psi (14.5 MPa)
• Elongation: 600%
• Heat Shock Resistance: No cracking or flowing at 225°C (4 hrs)
• Low Temperature Flexibility: No cracking or splitting at -55°C (4 hrs)
• Flammability: Flame retardant per ASTM D2671
• Dielectric Strength: 500 V/mil (20 kV/mm)
• Dielectric Voltage Withstand: No breakdown at 24 kV for 1 min (UL 486D)
• Specific Gravity: 1.2
• Water Absorption: 0.2%
• Fungus Resistance: No growth (ASTM G21)

Features

• Heavy wall construction for enhanced mechanical protection
• Flame retardant to meet stringent safety standards
• Polyolefin material ensures durability and chemical resistance
• Excellent recovery properties for secure, tight fit on conductors
• Resistant to heat aging, moisture, and fungus
• Complies with UL486D, CSA C22.2 No. 198.2, ANSI C119.1, MIL-DTL-23053/15, IEEE 383 Vertical Flame Test, and other industry standards
• Suitable for use by electrical distributors and switchgear suppliers in wire and cable insulation and protection applications

Downloads & Links

• Spec Sheet