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Normas DIN – AENOR
DIN 58397-2:2012-03

DIN 58397-2:2012-03

Production in optical engineering - Testing of lubricating greases for precision engineering and optical instruments - Part 2: Spreading

Production optique - Essai des graisses pour instruments optiques de précision - Partie 2: Qualité de déployement

Optikfertigung - Prüfung von Schmierfetten für feinmechanisch-optische Geräte - Teil 2: Spreitverhalten

2012-03 /Active
Relación con otras normas DIN:

Reemplaza a: DIN 58397-2:2011-06

Reemplaza a: DIN 58397-2:1983-02

This document is to be applied on lubricating grease according to DIN 58396-2 with a worked penetration according to DIN ISO 2137 between 385 and 130 tenth millimetres (NLGI Grades 0 to 5 according to DIN 51818). The principle according to this document allows to evaluate the oil retention of a lubricating grease in applications where it is expected that oil excretion due to temperature, time, gravity, viscosity, capillary and/or interfacial force might spread to places where it can influence the functionality of optical, electrical or other components.
Filter paper, Fine mechanics, Grease, Lubricants, Mechanics, Oils, Optical instruments, Optics, Physical testing, Pouring tests, Reduction efficiencies, Testing
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