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vPET for bottle grade applications

vPET for bottle grade applications

Virgin PET (vPET) is produced from monoethylene glycol (MEG) and purified terephthalic acid (PTA) in the melt phase in continuous polymerization (CP) plants. The PET melt is converted into pellets either by strand cutting or under water pelletizing systems. The intermediate PET pellets from the CP plant are used for some fiber applications but are not suitable for the higher demands of food packaging applications. Those quality standards can only be achieved with an additional solid state polycondensation (SSP) step. POLYMETRIX offers a range of SSP technologies, which are selected depending on the scale and location of the PET production plant.

PET SSP EcoSphereTM with melt-to-pellet crystallization
PET SSP stand-alone process
PET SSP leaN - floor mounted design

All POLYMETRIX SSP technologies produce very pure bottle grade PET pellets in combination with all worldwide available CP technologies.

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