GOLDENSTONE® Bio-MHM 46 is bio-degradable hydraulic oil based on TPM fatty acid esters and a special ashless additive package including R&O inhibitors and wear protection agents.

GOLDENSTONE® Bio-MHM 46 is developed for use as working media in hydrostatic lubrication systems and in circulating systems for the lubrication of moving parts and mechanism, operating in a temperature range from minus 25°С to + 80°С

GOLDENSTONE® Bio-MHM 46 successfully passes biodegradability tests CEC-L-33-A-93 и OECD 301B.


• Ensure optimum lubrication
• Long service life
• Biodegradable
• Very good corrosion protection