Penetration

Only for consistent lubricants (greases and pastes). Accord. to DIN ISO 2137 and ASTM D1403 (half and quarter cone)

Unworked penetration

• Consistency before mechanical stress

Worked penetration

• Consistency after mechanical stress
• Measuring after working of the lubricant (e.g. 60 double strokes) acc. to D217
• Base for the classification og the consistency classes acc. to NLGI (DIN 51518)