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Mobil Mobilmet 423

Premium Non-Corrosive to Copper, Moderate Duty Straight Cutting OilsPremium Non-Corrosive to Copper, Moderate Duty Straight Cutting Oils

Basic Identifiers

ID Type BO
5447 cutting mineral


Mobilmet 420 Series products are high-performance multi-purpose cutting oils. They are chlorine-free, non-staining and non-corrosive. They are designed for light to moderate duty cutting operations and they are also suitable as machine tool lubricants and for use in light duty hydraulic systems. They are formulated from high quality base oils and select additives to provide effective machining performance in a wide variety of operations of both ferrous and non-ferrous metals. The oils are light-colored and transparent so that the work area can be clearly seen at all times. The Mobilmet 420s are formulated to prevent the formation of oil mist in the vicinity of the machine tool. Mobilmet 420 Series fluids are resistant to foaming, even with excess splashing so that superior performance is provided in the machine tool lubrication system. With relatively low pour points and high viscosity indexes, they are not difficult to dispense in cold conditions and provide adequate film strength in hot-running machine tool bearings under load.

Technical specifications

Specs Typical Values
Density 859
Flash Point (in C) 182
Pour Point (in C) -15
Viscosity at 100C 3.5
Viscosity at 40C 15
Viscosity Index (calculated): 111
ASTM D341 Viscosity Chart
ASTM D341 Logarithmic scale

ASTM D341 Viscosity Calculator

You may calculate the viscosity of the oil at various temperatures based on ASTM D341. This uses the two sets of calibration data that we already have in order to calculate the viscosity at any temperature. You may input multiple temperatures at once, seperated by comma.


Format Type File name Language File size
PDS Mobilmet-420.pdf English 35 KB
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