Neat cutting oils are intended for lubrication and cooling of metal surfaces during metal cutting operation. It is immiscible with water. It has various ISO Viscosity grades depending on use and types of metals and its alloys.
IS 3065 - 1985
Type I: Combination of mineral & fatty without Sulphur intended for general machining of mild steel, brass and light alloys.
Type II: Mineral oil blended with sulphurized fatty acids, which are non staining, intended for use with non-ferrous metals.
Type III: Sulphurized mineral oils, intend for use with ferrous metals and alloys.
Smooth cutting operations, excellent surface finish, and cooling of work piece as well as cutting tools.
Contains no free Sulphur and so no risk or hazards.
Clear oil free from sediments.
| TEST PARAMETERS | TEST METHOD | TYPE - I | TYPE - II | TYPE - III |
|---|---|---|---|---|
|
Acidity Inorganic, mg, KOH/gm |
ASTM D974 |
NIL |
NIL (Sulphur will give Acid number) |
NIL (Sulphur will give Acid number) |
|
Kin Vis @ 40°C, cSt |
ASTM D445 |
15 - 30 |
30 - 45 |
40 - 60 |
|
Flash Point (COC) °C, Min |
ASTM D92 |
160 |
160 |
160 |
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