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Precision to Detail

PRECITE® as a sustainable alternative

Polyester compounds for precise applications

PRECITE® is the brand for thermoplastic polyesters at AKRO-PLASTIC GmbH. Due its low moisture absorption, PRECITE® has an exceptionally high dimensional stability in comparison to polyamides and is used for applications with high demands to precision. Furthermore, the thermoplastic polyesters have an outstanding heat aging performance as well as excellent gliding properties and wear resistance.

The PRECITE® portfolio focuses on reinforced PBT and PET up to 50 % glass fibers or other fillers especially our carbon fibre reinforcement.

PRECITE® consists of PBT, PET, PBT/PET blend, PBT/ASA blend and can be offered as flame-retardant or hydrolysis resistant compound.


Because of their lower carbon footprint, polyester can be used as a sustainable alternative to polyamides. Furthermore, AKRO-PLASTIC GmbH will offer PRECITE® NEXT compounds with a biomass balanced PBT, where sugar is used as raw material. 

Particularly notable is that within the polyester family, PET has an approx. 50% lower carbon footprint. This combined with the higher mechanical performance to other engineering plastics, offers an excellent very good technical solution.


Product Characterisation

PRECITE® thermoplastic polyesters are based on polybutylene- or polyethylene-terephthalate (PBT or PET) and have a unique combination of properties to cover the high requirements of a variety of complex applications. PRECITE® features a very high stiffness and strength as well as low moisture absorption leading to an exceptional dimensional stability. Furthermore PRECITE® has an outstanding heat aging performance as well as excellent gliding properties and wear resistance. The smooth ICX® compounding technology maintains as much ductility as possible in the compound, leading to a superior combination of strength and elongation at break as PRECITE® PRECITE® P3 GF 50 black (6925) shows.

PET the new PPA?

With a TG of 80°C, PET shows clear strengths compared to standard polyamides. The mechanical performance is comparable to that of a PPA. In addition, there is low water absorption, which is a significant advantage in precise and highly stressed applications.

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The right Polyester for your application

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A selection of polyester compounds for your applications.

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PRECITE® has a unique combination of properties to accomplish the high requirements of a variety of complex applications. The most important markets for PRECITE® are the automotive and E/E industry as well as appliances. Generally, PBT is the material of choice for applications with high demands for dimensional stability, strength and rigidity as well as heat aging performance.

Especially in automotive, the dimensional stability, the resistance against fuels and lubricants as well as the good long-term thermal behavior enable PRECITE® to be the first choice for many components in the electric segment. Typical applications are fuse boxes, door locking modules as well as housings for electric motors for wipers, window lift or seat adjustment. Also small components like connectors and switches with tight tolerances require the precision of PBT compounds. 

Furthermore, the color stability, also at elevated temperatures, enables visible applications in the E/E and appliance sector, like oven handles, knobs or switches as well as light bulb housings.

In opposite to nylons the high stiffness of PRECITE® is independent from moisture. Along with the weather resistance, PRECITE® can be also used for exterior applications like wiper arms, mirror housings as well as elements of sunroofs. 

Disclaimer: All specifications and information given on this website are based on our current knowledge and experience. A legally binding promise of certain characteristics or suitability for a concrete individual case cannot be derived from this information. The information supplied here is not intended to release processors and users from the responsibility of carrying out their own tests and inspections in each concrete individual case. AKRO®, AKROMID®, AKROLEN®, AKROLOY®, AKROTEK®, ICX®, PRECITE® and DIA(hr)LOG® are registered trademarks of AKRO-PLASTIC GmbH.

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