Chemical name:

polyalkylene glycol (PAG)


specialty products, lubricants & functional fluids

Markets and applications:

lubricants and functional fluids, compressor oils, industrial lubricants


lubricants, gas compressor lubricants, hyper compressor oils, industry gear lubricants, Lubricants and fluids , food grade lubricants, metal working fluids


PAG , water insoluble


PCC Rokita SA Polyols Business Unit

CAS No.:



Rokolub 320F is a polyalkylene glycol (PAG) obtained by means of the starter propoxylation and ethoxylation. The product has liquid form ranging from transparent to light yellow colour. It is water insoluble and contains (BHT free) antioxidants. The kinematic viscosity of the product (ISO VG 320) at 40°C ranges from 255 to 287 cSt and its viscosity index is high (viscosity index VI>230).

Rokolub 320F may be used for production of synthetic lubricating oils as PAG type, group V, base stock, as well as a finished product. This polyol maintains its flowing power at the temperature below -30°C, which results in obtaining good low temperature properties. This makes the product suitable for year-round application without temperature limitations, especially wherever waterless lubricating systems for machines and mechanical equipment are required.


Main application advantages of Rokolub 320F:

  • Reduced tendency for sludge forming enables maintaining cleanliness of the machines and equipment lubricated;
  • Reduced tendency for deposit or varnish forming compared to mineral oils;
  • Possibility of using the polyol as a lubricant for equipment operating under variable conditions, including low temperatures (pour point Tp<-20°C);
  • Compatibility of Rokolub 320F with NBR and EPDM type elastomers and insolubility in mineral oils


Most frequent applications of Rokolub 320F:

  • Lubricating oil used in high pressure compressors for the LDPE production
  • Lubricating oil used for gas compressors
  • Base oil for gear oil formulations;


Products made based on Rokolub 320F are of high, repeatable quality. Based on the optimally developed manufacturing process this polyol is distinguished by very good parameters and a wide range of possible applications.

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Properties and applications:

  • Purity, better lubrication and operation of machines and equipment;
  • Reduced tendency for deposit or sludge forming compared to mineral oils;
  • Possibility of using the polyol as a lubricant for equipment operating at low temperatures;
  • Compatibility with NBR and EPDM elastomers;
  • Used as lubricating oil for gas compressors
  • Used as base oil for gear lubricant formulations;
  • Longer inspection intervals;
  • High efficiency in propylene compressor systems;

Alternative names:

Show alternative names
polypropylene polyethylene glycol (Hide)


PAG polyalkylene glycol synthetic lubricants base stock high viscosity index hypercompressor oil metal working fluids MWF hydraulic fluids lubricants
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