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  • scale
  • Where hardness acceptance values are specified and a conversion from one scale to another is necessary the source of the conversion data should be stated and understood by the parties involved. (mdmetric.com)
  • Description: Removing hardness also reduces the need for expensive chemical treatment to control scale. (globalspec.com)
  • The hardness number is expressed by the symbol HR and the scale designation. (buehler.com)
  • Chemical
  • Paint hardness is the result of a chemical reaction between paint and the substrate it adheres to. (atslab.com)
  • We investigated whether hardness of eggshells is related to differences between physical and chemical traits from three different races of the parasitic common cuckoo Cuculus canorus , and their respective hosts. (royalsocietypublishing.org)
  • elastic
  • Hardness" in the elastic range-a small temporary change in shape for a given force-is known as stiffness in the case of a given object, or a high elastic modulus in the case of a material. (wikipedia.org)
  • Wilson
  • 06/04/09 - The latest release from Hylec Controls in the Wolpert Wilson hardness testing equipment product range is the Universal Hardness Zoom Testor 1000 series. (ferret.com.au)
  • consists
  • The procedure consists of using pencils of increasing hardness to make marks at a 45-degree angle on a coated panel until the pencil that will not damage the coating is determined. (atslab.com)
  • available
  • 08/02/10 - The hardness testing device IRHD Micro Compact III made by Bareiss and distributed by Testequip has only been available for the measuring range IRHD Micro but can now be also be expanded for the measuring range IRHD Normal. (ferret.com.au)
  • high
  • Such damage (or excessive wear of the tip) will change the resistance to penetration, and typically result in a high hardness reading. (buehler.com)
  • industrial
  • Hardness between 120 and 200 ppm may be classed as hard and some form of softening is usually required for many industrial uses. (usf.edu)
  • Hardness above 200 ppm may be classed as very hard and is objectionable for most industrial and domestic uses. (usf.edu)
  • make
  • Intermediate students should be able to track the cause of hardness down to these cations and say that the anions make no difference. (rsc.org)
  • digital
  • Perfect for a production facility or a research lab, LECO's LM Series Microindentation Hardness Testing Systems offer a variety of models (including analog and digital) with the advanced features that meet your requirements and budget. (leco.com)
  • known
  • Rebound hardness, also known as dynamic hardness , measures the height of the "bounce" of a diamond-tipped hammer dropped from a fixed height onto a material. (wikipedia.org)