Waterproof Seal Flexible Dual Wall Heat Shrink Tubing

CYG-DWT-VTH

Waterproof Seal Flexible Dual Wall Heat Shrink Tubing

Adhesive Lined Heat Shrink Tube for Automotive
  • Outer jacket: Cross-linked modified polyolefin
  • Inner wall: Modified hot-melt adhesive
  • Shrink ratio: 4:1
  • Shrink temperature: 80°C~120°C
  • Continuous operating temperature: -55°C~125°C
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Applications
  • The waterproof seal flexible dual wall heat shrink tubing is designed to meet the waterproof sealing requirements of wire harnesses and connectors.
  • Our tubing provides superior flame retardancy, sealing, oil resistance, and insulation properties. With good mechanical performance, this tubing is widely used for protection in various components.
Features
  • Shrink ratio: 4:1
  • Shrink temperature: 80°C~120°C
  • Continuous operating temperature: -55°C~125°C
  • Semi-flexible, flame retardant
  • Good mechanical, electronic, and solvent resistance properties
  • Superior sealing performance
  • Compliant with RoHS environmental requirements
Technical Data
Properties Test Method Performance
Longitudinal change ASTMD2671 -20%~0
Tensile strength ASTMD2671 ≥9Mpa
Ultimate elongation ASTMD2671 ≥250%
2% secant modulus ASTMD882 ≤125Mpa
Low temperature flexibility ASTMD2671 No cracking
Heat shock ASTMD2671 No dropping, cracking, or flowing
Heat aging ASTMD2671 No dropping, cracking, or flowing
Dielectric strength (outer layer only) ASTMD2671 ≥12kV/mm
Volume resistivity ASTMD876 ≥1.0×1012 Ω·cm
Copper corrosion ASTMD2671 No corrosion
Flammability ASTMD2671/Procedure B Self-extinguishing within 60 seconds
Water absorption ASTMD570 ≤0.5%
Solvent Resistance (diesel, hydraulic oil, lubricating oil, and 5% NaCl solution at 23°C/24h) Tensile strength - ≥7Mpa
Ultimate elongation - ≥250%
Dimensions

Shrink Ratio: 4:1

Size As Supplied (mm) After Recovery (mm)
Minimum Inside Diameter Maximum Inside Diameter Minimum Wall Thickness
Ø4.0 4.00 1.00 1.00
Ø8.0 8.00 2.00 1..00
Ø12.0 12.00 3.00 1.40
Ø16.0 16.00 4.00 1.75
Ø24.0 24.00 6.00 2.25
Ø32.0 32.00 8.00 2.50
Ø48.0 48.00 13.00 2.55
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