Specimen Cooling Door

Model: HMA-629
Price: $395.00

HMA-629 Specimen Cooling Door cools asphalt specimens in the chambers of HM-685S and HM-685SF Superpave Gyratory Compactors w/Shear Measurement before extrusion, reducing the amount of time for asphalt mixtures containing rubber to cool. The door assembly is equipped with a built-in fan with wiring and is easily installed using basic tools. The cooling door replaces the clear chamber door initially installed in the HM-685S unit, and also comes with a power supply assembly, USB flash drive with software, all necessary hardware, and installation instructions.


  • Reduces waiting time when asphalt specimens are cooling
  • Easy to install using simple tools
  • For use with HM-685S and HM-685SF Superpave Gyratory Compactors with Shear Measurement capability

Included Items:

  • HMA-629 Specimen Cooling Door
  • Door Assembly
  • Power Supply Assembly
  • Flash Drive and Software
  • Installation hardware
Estimated Shipping Weight 8.0lb (3.63kg)

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Estimated Shipping Weight 8.0lb (3.63kg)
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