Name: Rokopol RF551
Brand: Rokopol®
Rating: 4.44 (16 reviews)

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Rokopol® RF551 is a general purpose polyether sorbitol polyol used for production of polyurethane (PUR) rigid and semi-rigid foam production in reaction with isocyanate. It mixes well with water. It exists in form of a clear, colourless to yellow liquid. It contains antioxidants (excluding BHT). It retains low viscosity (ca. 3000-5000 mPas) at relatively high functionality of f~4.5 and high hydroxyl value of 400-440 mgKOH/g.

Unique structure of Rokopol RF551 and physical and chemical parameters required in the PUR systems determine its application in a wide range of polyurethane application of rigid foam. Rokopol RF551 is used in combination with other polyols and additives in order to modify properties of the PUR system, in particular: viscosity, reactiveness, gelation, degree of cross-linking, and final properties of rigid foam such as adhesion to various surfaces, flame-retarding properties, hardness, abrasion, content of closed cells (insulation). Main advantages of application of Rokopol® RF551:

ensures long gelation times of the PUR foam,

influences very good mechanical properties of the foams,

combines easily with other polyols in order to modify the PUR system,

high dimensional stability of the foams in high and low temperatures.

Most popular applications of Rokopol® RF551:

closed-cell foam used for thermal and refrigeration insulation,

foam used for insulation of pipelines, cables and wires,

spray thermal and acoustic insulation,

a component of sandwich panels and PUR insulation boards.

Properties and applications

has very good mechanical and thermal insulation parameters,
ensures long gelation times of the PUR foam,
high dimensional stability of the foams in high and low temperatures,
used in closed-cell foams used for thermal and refrigeration insulation,
used as a component for production of sandwich panels and PUR insulation boards,
widely used in the construction industry.

Manufacturer: PCC Rokita SA

PCC Rokita SA is one of the largest chemical companies in Poland as well as Central and Eastern Europe. Its activity includes the production of chloroalkali, polyether polyols, polyalkylene glycols and phosphorus derivatives.

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PCC Group

Rokopol® RF551

Manufacturer: PCC Rokita SA

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