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Rokolub® AD 122

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PCC Rokita SA / Phosphorus Chemistry Business Unit
Chemical name
Phenol isopropylated phosphate
ADR ADR ISO 14001 ISO 14001 ISO 50001 ISO 50001 ISO 9001 ISO 9001 ISO 45001 ISO 45001 Universal product Universal product
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Rokolub AD 122 is a triaryl phosphate ester in the form of a light yellow to colourless liquid with a characteristic, delicate smell. Thanks to the innovative production technology, the product has a very low water content and low acid number, which significantly prevents its hydrolysis processes, thus ensuring its long-term hydrolytic stability. 

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Properties and applications

Advantages of Rokolub AD 122:

– improves the anti-wear properties of mineral and synthetic oils:

  • the use of the product in an amount of 2% in mineral oil reduces the flaw diameter in the four-ball test by up to 50% compared to the base oil without addition;
  • the use of the product in an amount of 2% in PAO results in a reduction in the flaw diameter in a four-ball test by approx. 40% as compared to the base oil without addition;
  • the use of the product in an amount of 2% in POE results in a reduction of the flaw diameter in the four-ball test by more than 25% as compared to the base oil without addition;

– interacts with other anti-seizing additives (phosphorus, sulphur, chlorine), which allows to obtain a good surface protection in sliding contact;

– unlike the widely used sulphated and chlorinated additives AW/EP, it does not cause corrosion or metal colouring;

– is compatible with a wide range of oil additives;

Benefits of using the product:

  • obtaining oils with better anti-wear and anti-seizing properties, and extending the service life of the equipment;
  • reduction of rust compared to oils containing commonly used additives AW/EP based on sulphur or chlorine;
  • possible to be used in a package with other oil additives;


  • industrial oils: hydraulic oils, compressor oils, turbine oils, gear oils;
  • automotive oils: gear oils;

Markets and applications
Lubricants and functional fluids / Compressor oils, Hydraulic fluids, Industrial lubricants, Metalworking fluids

Antiwear additives


Specialty Products / Lubricants & functional fluids

Alternative names
Phenol isopropylated phosphate, IPPP, isopropyl phenol phosphate ester, isopropylated phenyl phosphate, isopropylphenyl phenyl phosphate, TPP propylated, synthetic triaryl phosphates based on isopropylated phenol, phosphate ester, aryl phosphate ester, triaryl phosphate ester, tertiary phosphate esters, triphenyl phospate ester, neutral phosphate ester, synthetic phosphate ester, organophosphate ester, organophosphorus compound, phosphorous chemicals, esters of phosphoric acid, organic salts of orthophosphoric acid, phospahte ester fluids
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