CNC Coolant & Cutting Fluid Selection Guide — Neat, Soluble, Semi-Synthetic, Synthetic
How to pick the right coolant chemistry for your CNC shop. Four families compared (neat cutting oil, soluble, semi-synthetic, full synthetic), a six-step selection process, concentration setting with a refractometer, tramp-oil management, and the five plant-floor mistakes that kill coolant life. Portfolio: Castrol Hysol, Veedol Semcool, GS Caltex Pralix, Balmerol Supercut.
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