Neat Oil Cutting Fluid C 408

C 408 is a specially formulated neat oil cutting fluid designed for medium-duty machining of ferrous metals. It contains active sulfur and chlorine additives, which can extend tool life and improve the surface finish of workpieces. Due to its high content of active sulfur, it is not recommended for machining non-ferrous metals.

Product Application

Neat Cutting Oil C408 is designed for machining complex workpieces that produce fine swarf, especially for thread cutting machines and tapping operations.

It is suitable for machining various hard ferrous metals including alloy steel, stainless steel and high-nickel alloys, as well as honing of high-tensile metals.

Product Advantages

  • Delivers superior surface finish and dimensional accuracy
  • Improves metal removal rate
  • Multi-purpose formulation for severe grinding processes
  • Low foaming and low misting under high-pressure circulation with favorable fluidity
  • Prolongs cutting tool service life

Typical Technical Data

Item Parameter
Appearance Transparent brownish-yellow liquid
Specific Gravity @20℃, g/cm³ 0.848
Kinematic Viscosity @40℃, cSt 21
Open Cup Flash Point, ℃ ≥150
Four-ball Test PB value, kg 105
Four-ball Test PD value, kg 560
Long-term Wear Scar (392N, 60min), mm 0.43
Copper Strip Corrosion Test 4a

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