Encyclopedia

Penetration


Penetration: a consistency indicator expressed as the distance in tenths of a millimeter to which a standard needle vertically penetrates a material sample under specified load, temperature, and loading time

Source: Order of Rosavtodor dated 20 October 2008 No. 436-r

"On the Issuance and Application of ODМ 218.7.002-2008 'Recommendations on the Method for Determining the Depth of Penetration of a Needle for Viscous Petroleum Road Bitumens'"

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