Flexible PVC Tubing
Automotive Grade

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73A Flexible PVC Tubing Product Photo

Product Description:

Grayline 73A is an extruded polyvinyl chloride tubing designed to meet the requirements of FORD ESB-M4D103-A.  This tubing is typically used as a wiring harness covering in automotive applications where flexibility at ambient and low temperatures is an important consideration.

  • Standard Packaging: Reels or Cut to Customer Specifications
  • Standard Colors: Natural (Opaque), Black,
  • Available Options:
    • Custom ID-Wall
    • Custom Colors
    • Fungus Resistance
    • UV Resistance
    • Printing
    • Hot Stamping

Specifications/Agency Ratings

  • FMVSS302
  • FORD: ESB-M4D103-A
  • EU Directive 2000 / 53 / EC (ELV)
  • EU Directive 2011 / 65 / EU (RoHS2)
  • EU Directive 2015 / 863 (RoHS3)


  • Operating Temperature is -40° to 70°C
  • Low Temperature Flexibility
  • Flame Retardant
  • Lead Free


Durometer Hardness, Shore A (15sec.)
  Change after 70 hrs @102°C
ASTM D2240
Tensile Strength (psi)2200ASTM D412
Elongation (%)370ASTM D412
Brittleness Temperature, Pass °C-35ASTM D746
FlamabilityPassASTM D876
Heat Aging, 70 hrs. @ 102°C, % Change from un-aged sample 
Cold Flexibility, -40°C for 72hrsPass180° mandrel bend
Tear Strength (lbs./in.)220ASTM D624


The values listed in this bulletin, to the best of our knowledge, are accurate. They are typical performance results and are not intended to be used as design data. We disclaim all liability in connection with the use of information contained herein or otherwise.

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