This part of GB/T 3398 specifies the method for determining the hardness of plastics and hard rubber by a load ball indenter. Ball indentation hardness determined by this method provides data for research and development, quality control, and acceptance and rejection to product standards.
GB/T 3398.1-2008 Referenced Document
GB/T 2918-1998 Plastics--Standard atmospheres for conditioning and testing
GB/T 3398.1-2008 history
2008GB/T 3398.1-2008 Plastics.Determination of hardness.Part 1:Ball indentation method
1982GB/T 3398-1982 Test for hardness of plastics by the ball indentation