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  • Copolyesters (PET) 

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    Copolyester filaments (PET, PETG, CPE...) are able to withstand high tensile stresses and exhibit high durability and chemical resistance, as well as excellent inter-layer adhesion.

    Showing 1 - 10 of 10 items

    What is PET

    PET (Polyethylene terephthalate) was born in the mid-twentieth century as a polymer for the manufacture of fibers, which would replace cotton fibers. Shortly after the appearance of this material, in the form of fiber, it settled in the industry, and its use in the textile sector is still pointer today. With the evolution of processing technology, PET begins to be used in the form of film for food packaging and in 1976, this polymer experienced its biggest boom with the manufacture of rigid bottles for low-oxygen-sensitive beverages, such as carbonated soft drinks, beer and mineral water.

    As a PET evolution, PETG arises, a material with which more translucent objects with a lower melting point are obtained, ideal characteristics to create resistant and easy pieces of thermoforming or extrusion. Due to the ease of extrusion and thermal stability, PETG and other PET derivatives are widely used in the world of 3D FDM / FFF printing.

    PETG: The ease of the PLA and the mechanical properties of ABS

    The PETG as a material used in 3D printing is characterized by a functionality very similar to ABS (good temperature resistance, durable and resistant) and the ease of being printed as the PLA. It also shows good adhesion between layers, little deformation during printing, resistance to environments with low temperatures for long periods of time, chemical resistance (bases and acids) and the absence of odor during printing.

    Within this category stands out the CPE HG100, a copolyester thermoplastic that presents a high resistance to impact (no breakage), great hardness, resistance to traction and thermal resistance among many other qualities. Like many other materials, PETG can also be found reinforced with fibers (carbon or aramid) to increase its mechanical strength and raise the use of these materials to industrial levels.