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Investigation of Short-Term Laboratory Aging of Neat and Modified Asphalt Binders (2011) / Chapter Skim
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Appendix F - Draft AASHTO Standard for the MGRF
Pages 67-68

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From page 67...
... Glass air supply tube, minimum of 550 mm long with an inside diameter of 7 mm, to be inserted into the flask; (d) Compressor equipped with filter and air drier or bottled compressed air of industrial or breathing grade quality; (e)
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From page 68...
... Use caution during this step to avoid splashing of the hot bath wax. Fix the air supply tube so that its axis coincides with that of the flask, with a clearance of 50 ± 2 mm between tube and flask bottom.
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Key Terms

  • thin film
  • morton flask
  • film oven
  • asphalt sample
  • conventional asphalt

  • air supply
  • conventional asphalts
  • heat exposure
  • research required
  • develop precision

  • ointment tin
  • oven test
  • rolling thin
  • tin placed
  • carefully remove

  • gas flow
  • specimen mass
  • rotary evaporator
  • supply tube
  • residue adhering

  • test method
  • metric pressure
  • flask attached
  • stopped dripping
  • health practices

  • bath fluid
  • wax heat
  • tared flask
  • thermostatically controlled
  • avoid splashing


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