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Polyester (PET) is an organic material, a polymer plastic that is commonly used as a fiber for cloth production, or a matrix for glass fibers in Fiberglass

In situ Production

Polyesters are polymers (chains) that contain ester groups in their repeating structure. The most common form is polyethylene terephthalate (PET). Polyethylene terephthalate is produced from ethylene glycol and dimethyl terephthalate (DMT) (C6H4(CO2CH3)2) or terephthalic acid.


Embodied energy: about 125 MJ/kg.

Density: 1370 kg/m3

Melting point: 115–135 °C

Strength: 2,5 MPa (360 psi)

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