Mobil Vactra Oil No. 4 is a premium ISO VG 220 slideway lubricant, specifically formulated for large machine tools requiring superior precision and load-bearing capabilities. It offers excellent frictional properties, corrosion protection, and coolant separability, making it ideal for vertical and inclined slideways where drain-down can be a problem.

Key Features & Benefits

• Controlled Frictional Characteristics: Minimizes stick-slip and chatter, ensuring precise machining and improved surface finishes.

• Excellent Coolant Separability: Designed to separate easily from water-based coolants, reducing contamination and extending the life of both the lubricant and the coolant.

• Enhanced Adhesiveness: Adheres strongly to slideways, preventing wash-off by coolants and maintaining consistent lubrication.

• Superior Corrosion Protection: Protects metal surfaces from rust and corrosion, even in the presence of high pH coolants. mobil.com

• Versatile Compatibility: Suitable for various combinations of way materials, including cast iron, steel, and non-metallic materials.