Flame-Retardant Semi-Rigid Dual Wall Heat Shrink Tubing

CYG-DWT-FR

Flame-Retardant Semi-Rigid 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: 100°C~150°C
  • Continuous operating temperature: -40°C~125°C
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Applications
  • Our flame-retardant semi-rigid dual wall tubing is specifically designed to provide superior protection for automotive wire harnesses, offering efficient sealing, flame retardancy, oil resistance, and insulation properties.
  • Widely used in various automotive wire harness protection applications and areas that require special protection in harsh environments.
Features
  • Shrink ratio: 4:1
  • Shrink temperature: 100°C~150°C
  • Continuous operating temperature: -40°C~125°C
  • Semi-rigid, flame retardant, and efficient sealing performance
  • Superior mechanical, electronic, and chemical resistance properties
  • RoHS compliant, meeting environmental requirements
Technical Data
Properties Test Method Performance
Tensile strength ASTMD2671 ≥10.4MPa
Ultimate elongation ASTMD2671 ≥200%
Cold shock ASTMD2671 (-40±2) ℃, no cracking
Heat shock (outer layer only) UL224 250℃, 4h, no cracking
Volume resistivity ASTMD876 ≥1.0×1012 Ω·cm
Flammability UL224 Self-extinguishing within 60s
Copper corrosion (158℃/168h) UL224 Pass
Dimensions

Shrink Ratio: 4:1

Size As Supplied (mm) After Recovery (mm)
Minimum Inside Diameter Maximum Inside Diameter Minimum Wall Thickness
Ø5.08 5.08 1.27 1.40
Ø7.62 7.62 1.65 1.52
Ø9.02 9.02 2.29 1.52
Ø11.56 11.56 2.54 2.29
Ø17.78 17.78 4.45 2.54
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