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Flame-resistant, halogen-free PET-G for 3D printing

Spectrum PET-G FR V0 is a new halogen-free, flame-resistant 3D printing material based on the ever-popular PET-G. The filament is designed according to UL 94 V0* flammability rating requirements, meaning that the vertical burning of the filament or printed part does not exceed 10 seconds. Most typical plastics have poor flame resistance, which is why the Spectrum PET-G FR V0 filament was developed with flame-resistant or self-extinguishing properties to provide a high level of safety in everyday or working environments. The applied modifications do not affect the printability of the filament, which helps maintain the classic properties of PET-G, i.e. simplicity and efficiency of printing, with very low shrinkage and relatively high tensile strength.

*The filament is not certified by Underwriters Laboratories and does not have a UL number.

Available diameters:
  • 1.75mm
  • 2.85mm
Available weights:
  • 250g
  • 500g
  • 1000g
  • 2000g

Technical data

Available diameter:
1.75 [mm]
Available weight:
500 / 1000 [g]
Diameter tolerance:
+/- 0.05 [mm]
Thermal resistance:
70 [°C]
Verify your spool:
YES (course of diameter ? online graph - on the entire length of the spool, mean diameter, ovality, standard deviation individually for each manufactured spool)

How to use

Nozzle temperature:
Bed temperature:
Active cooling fan:
up to 100%
Heated chamber:
not required
Print speed:
30-70 mm/s
Retraction - direct:
1-3 mm
Retraction - bowden:
4-6 mm
Retraction speed:
25-45 mm/s

Material characteristics

  • designed to meet UL 94 V0* standards
  • flame-resistant, self-extinguishing
  • halogen-free
  • Vicat softening point – 70°C


  • all applications where fire resistance is important
  • coatings or shielding to protect electrical circuits with fire risk
  • conceptual models
  • production tooling
Verify Your Spool

Check out our tool to verify purchased filaments.

Where to buy

Check the list of our local and online distributors.

Verify Your Spool

Check the course of diameter on the entire length of the spool, ovality, mean diameter and standard deviation for each manufactured spool individually.

Where to buy

Check the list of our local and online distributors.

A wide range of products

Wide portfolio consisting of over 50 filaments with a versatile range of properties and applications, divided into three segments: desktop easy-to-use, industrial grade and high performance.

High quality

Innovation, extrusion know-how and highest quality filaments are the pillars of Spectrum’s philosophy. Our team is working continously on the development of new materials and their applications.

European made

All filaments from our portfolio are in-house made. We use modern production lines equipped with non-standard solutions to obtain highest quality final product.

Professional technical support

Our qualified support team helps at every stage from material selection to the 3D printing process.

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