ISO 4625:1980
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ISO 4625:1980
10573

Abstract 

Specifies a method of test for resins (including rosin) and similar materials by means of the ring-and-ball apparatus. In general, with materials of this type, softening does not take place at a definite temperature. As the temperature rises, these materials gradually and imperceptibly change from brittle or exceedingly thick and slow-flowing materials to softer and less viscous liquids. For this reason, the determination must be made by a fixed, arbirary, and closely defined method.


General information 

  •  :  Withdrawn
     : 1980-03
  •  : 1
     : 7
  •  : ISO/TC 35 Paints and varnishes
  •  :
    87.060.20 Binders

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