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Chemical name:

Polyoxyalkylene sorbitol


polyurethanespolyether polyols

Markets and applications:

building & constructioninsulation boardpipe-in-pipe insulationsandwich panelswire & cable insulationrefrigeration industry and household appliancesboilersindustrial coolersrefrigerators


rigid foamsblock foamscasting foamsspray foams


polyether polyolssorbitol polyols


PCC Rokita SA Polyols Business Unit

CAS No.:



Rokopol® RF55 is a general purpose multifunctional polyether sorbitol polyol for polyurethane (PUR) rigid and semi-rigid foam production in reaction with isocyanate. The product has a form of liquid, ranging from transparent to light yellow, containing BHT free antioxidants. It retains high viscosity of ca. 9000 mPas with high functionality of f=4.7, and ensures flowability during the foaming process of rigid foam.

Rokopol® RF55 is a product dedicated for manufacturing polyurethane (PUR) products of moderately low viscosity and increased flame-retardant content which decreases the hydroxyl value, and thus for manufacturing PUR foam with improved mechanical properties. Rokopol® RF55 is used in combination with other polyols and additives in order to improve the PUR system properties, in particular: viscosity, reactivity, gelling, crosslinking level and the end parameters of rigid foam: i.e. adhesion to various substrates, combustion modification, hardness, abrasiveness, closed-cell content (insulation properties).


Main application advantages of Rokopol® RF55:

  • It ensures flowability during the foaming process of rigid foam;
  • Based on the physicochemical properties of the polyol the foam obtained is marked by improved mechanical properties;
  • It enables modification of the PUR system properties based on its compatibility with other polyols and additives;
  • The product ensures long gelling times of PUR foam;


Most frequent applications of Rokopol® RF55:

  • Closed-cell foams used for thermal insulation (cooling technology, heat insulating);
  • PUR sandwich panels;
  • 2K foam spray systems;
  • Special low volume applications, including moulded rigid foam;
  • Self-extinguishing foams

Products made based on Rokopol® RF55 are of excellent quality. Based on the optimally developed manufacturing process this polyol is distinguished by very good parameters, not only in PUR systems.


Properties and applications:

  • Product dedicated for manufacturing PUR systems;
  • Possibility of modifying the PUR system properties based on the use with other polyols;
  • Very high quality of the end product based on the physicochemical properties of the polyol;
  • Applied in closed-cell foams used as insulation;
  • Used in 2K spray foam systems and self-extinguishing foams;
  • With very good mechanical parameters;

Alternative names:

Sorbitol based; sorbitol; sugar based; sugar polyol; glucidol; sorbogem; sorbo; (2S,3R,4R,5R)-Hexane-1,2,3,4,5,6-hexol; sorbitol polyoxypropylene ether; sorbitol propoxylated polyol; sorbitol alkoxylated polyol;