HyGold - Base Oils

Ergon’s HyGold base oils are genuine naphthenic oils produced to exact specifications and designed for a variety of lubricating applications. HyGold products have low pour points, good solvency power, low odor levels, excellent color and color stability characteristics.


Metalworking Fluids, Industrial Lubricants, Grease Manufacturing, Hydraulic Oils, Gear Oils, Bar & Chain, Carriers & Diluents.

Product Variety

Ergon’s HyGold products range from low, 40 cSt viscosity to high, 4900 cSt viscosity products, with blending capabilities to meet a wide range of industry needs.


  • High film strength for lubrication
  • Solubility for compatibility with diverse additions
  • Low pour points
  • Excellent color and color stability
  • PAC <3, by method IP346
    Met by all HyGold Naphthenic Oils
  • Modified Ames Assay by ASTM E 1687
    All HyGold Naphthenic Oils Pass
  • FDA Regulation 21 CFR 178.3620 (C)
    Naphthenic HyGold 60 and HyGold 100 Pass

Production Technique

Ergon Refining, Inc., produces its oils by distillation of virgin naphthenic crude followed by modern, high pressure, severe hydrotreating process. All processes are closely monitored and final products are subject to approval from qualified personnel. No re-refined or reclaimed oils are used in production.