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Ring & ball automatic tester RB36 5G

Ring & ball automatic tester RB36 5G

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ISL's modern and easy to use ring and ball tester automatically determines softening points of many different substances. The RB36 5G, designed for measuring product temperatures from 0°C to 220°C, simplifies testing and increases productivity, repeatability and reproducibility. The instrument enables simultaneous analysis of two samples with independent monitoring and result display for each. Simply load the sample and with a few keystrokes, the test is started. Bath temperature and ball movement are precisely controlled according standard test methods. This instrument integrates the top of the art regulation systems specially designed for difficult method heating rate regulations.  Heating rate is displayed in real-time and automatically stored with the result.


  • Accurate softening point accurate determination
  • Simple and easy to use
  • Versatile, product analyses program
  • Quality control in situ traceability
  • Cost saving


Softening point:

  • Bitumen
  • Hot coatings
  • Rosins, pitch, tar
  • Road marking materials



ASTM D 36, ASTM E 28, EN 1427, IP 58, ISO 4625, DIN 52011, NFT 66-008