GOLDENSTONE® FRIGUS HA oils are recommended for lubrication of refrigerators and refrigerating equipment operating with ammonia as refrigerant.

The refrigerator compressor oils GOLDENSTONE® FRIGUS HA are blended from a special selection of high quality highly solvent refined and hydrotreated naphthenic base stocks.


• Very good low temperature properties
• Very good thermal and oxidation
• Dependable corrosion protection
• Seals and ammonia compatibility