Rokolub® FR T-68

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PCC Rokita SA / Phosphorus Chemistry Business Unit
Chemical name
tert-butylphenyl-phenyl phosphate
ISO 14001 ISO 14001 ISO 50001 ISO 50001 ISO 9001 ISO 9001 long service life long service life Not classified according to CLP/GHS Regulation Not classified according to CLP/GHS Regulation ISO 45001 ISO 45001
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Rokolub FR T-68 is an organophosphater in the form of a colourless to pale yellow liquid. It is characterized by a viscosity of ISO VG 68 grade.

The product is a fire resistant synthetic oil that forms the basis for industrial hydraulic fluids. It is classified as HFDR (anhydrous, fire resistant hydraulic fluid based on phosphate esters) according to ISO 6743-4.

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Properties and applications

The advantages of Rokolub FR T-68:

  • unique fire resistance and self-extinguishing ability;
  • resistance to high temperatures;
  • excellent lubricating properties;
  • good hydrolytic and oxidation stability;
  • cleanliness;
  • not classified as a hazard to human health;

Benefits of using:

  • reducing the risk of fire;
  • possibility of use in high temperature conditions;
  • efficient operation of the device;
  • safety of people operating hydraulic devices;


  • industrial oils: hydraulic oils (pressure die casting machines, foundry furnaces, compressors, hydraulic systems), compressor oils (compressors);

Markets and applications
Lubricants and metalworking fluids, base oils, additives / Hydraulic fluids

Sythetic base stock


Specialty Products / Lubricants & functional fluids

Alternative names
tert-butylphenyl-phenyl phosphate, TBPP, phenol isobutylenated phosphate, phenol, isobutylenated, phosphate (3:1), reaction mass of 4-tert-butylphenyl diphenyl phosphate and bis(4-tert-butylphenyl) phenyl phosphate, tert-butylphenyl diphenyl phosphate [CAS#56803-37-3, EC: 260-391-0], butylated phenol phosphate ester, butylated phenyl phosphate, t-butylphenyl phenyl phosphate, TPP butylated, synthetic triaryl phosphates based on butylated 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
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