Hardening oil ZGV MZM-26

The oil is intended for use as a working fluid for quenching cooling of steel products made of low-alloy and alloy steels, in order to obtain high values of hardness, the required structure and a clean surface. Packaging options: 180 kg barrel.

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Characteristic	Norm

Kinematic viscosity at 40°C, mm²/s	Not standardized, mandatory determination
Kinematic viscosity at 50°C, mm²/s	23.5-27.0
Viscosity index, not less than	91
Ash content,%, not more than	0.07
Content of mechanical impurities,%, not more than	0.01
Water content,% by weight, not more than	Traces
Saponification number, mg KOH/g, not more than	0.5
Flash point in an open crucible, °C, not less than	200
Flash point in a closed crucible, °C, not less than	185
Color on a CNT calorimeter, CNT units, not more than	3.5
Autoignition temperature, not less than, °C	-