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  • Easy formability
  • Toughness
  • Shiny surface
  • High strength-to-density ratio
  • Food safe

About PETG

PETG (Polyethylene Terephthalate Glycol) is a glycol-modified version of PET plastic. It has the similar strength and durability of ABS, is easily machined, and is used for FDM 3D printing as well as other manufacturing technologies.

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Property Value
Heat deflection temperature157°F (69.4°C)
Density1,27 g/cm³
Tensile Strength7,700 psi
Flexural Strength310,000 psi
Shrink Rate0.3 – 0.8%
Water absorption (immersion 24 hours)0.20%


PETG is plastic that is strong and durable like that of ABS but absolutely harmless to human health. PETG is made with one of the most common synthetic materials - polyethylene Terephthalate (PET), which is modified with Glycol. Thanks to this, PETG is much tougher, stiffer, clearer and easier to use in 3D printing and machining than PET. Also, the modified plastic does not crystallize and becoming breakable. PETG can be used instead of polycarbonate (PC) for CNC machining as it can form a clear plastic material with almost the same impact strength as PC but much more cost-effective. PETG can also be used for hot line bending and welding.

Compare PETG to other filaments

Common Uses

  • Toys
  • Protective parts
  • Mechanical parts
  • Medical tubes and bottles
  • Containers for food/beverages


  • High strength
  • Chemical resistance
  • Resistance to staining
  • High impact-resistance
  • Low thermal expansion
  • Low moisture absorption
  • Excellent machining characteristics


  • Can be weakened under UV light


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