Name: Rokopol vTec 770 (Polyether polyol)
Brand: Rokopol® vTec
Rating: 4.69 (13 reviews)

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Rokopol® vTec 770 is a polyether polyol. It exists as a homogeneous liquid free of mechanical impurities, which may be opalescent. It contains antioxidants (excluding BHT). It has hydroxyl value within the range of 233-252 mgKOH/g and its dynamic viscosity is within the range of 200-300 mPas at temp. 25°C.

Rokopol® vTec 770 is used for production of viscoelastic polyurethane foams using the continuous system (slabstock) and for periodic production (batch). Using Rokopol® vTec770, reactive supplementing polyols and properly selected additives (catalysts, silicones, foaming agents), viscoelastic blocks of rectangular cross-section and height up to 70 cm can be produced. Main advantages of application of Rokopol® vTec 770:

possibility to manufacture foams of density within the range 40-80 kg/m3 and hardness within the range 1-3kPa, and elasticity up to 55%,

tear resistance of the foam is above 50kPa and relative elongation at rupture above 60%,

foam recovery time 1-10 s,

reduced foam hardness in low temperatures.

Most popular applications of Rokopol® vTec 770:

viscoelastic foams (Memory Foam) and polyurethane foams,

high comfort mattresses and pillows,

flexible and gel foams.

Properties and applications

good parameters of density, elasticity and tear resistance of the obtained viscoelastic foams,
possibility to obtain viscoelastic foams with a wide range of density and hardness,
used in furniture sector as component of foam mattresses and pillows with increased softness,
used for production of viscoelastic foams (Memory Foam), polyurethane foams, flexible foams and gel foams.

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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