Encyclopedic Dictionary of Polymers

2011 Edition
| Editors: Jan W. Gooch

Rocker Hardness Tester

  • Jan W. Gooch
Reference work entry
DOI: https://doi.org/10.1007/978-1-4419-6247-8_10084

n An instrument made up of two circular stainless runners connected through traverse bars spaced 25 mm apart. Rocking frequency is calibrated by weights on a glass standard. It works on the principle that a “soft” surface dampens the oscillations of a rocking wheel more than a “hard” one. Reference ASTM D 2134.

Copyright information

© Springer Science+Business Media, LLC 2011

Authors and Affiliations

  • Jan W. Gooch
    • 1
  1. 1.AtlantaUSA