Polymaker™ PETG 3D Printer Filament

Polymaker™ PETG is an advanced PETG-based 3D printing filament designed to combine high-speed printability with industrial-grade mechanical strength. Engineered as the next-generation successor to PolyLite™ PETG, this updated formula provides superior interlayer adhesion, enhanced toughness, and reduced stringing.

Its high-flow resin blend ensures smooth and consistent extrusion across standard and high-speed FDM/FFF printers. The material offers strong resistance to moisture, UV exposure, and common chemicals, making it a reliable choice for functional parts exposed to demanding environmental conditions.

Polymaker™ PETG is particularly suited for functional prototypes, mechanical components, outdoor tools, gears, jigs, brackets, and end-use manufacturing. It prints easily on open-frame machines without needing a heated enclosure.

One of the key advantages of Polymaker™ PETG is its balance of flexibility, impact resistance, and heat tolerance (~70°C HDT), providing significantly higher durability than standard PLA while maintaining an easy, accessible printing process.

Key Benefits

• High-speed printing up to 300 mm/s (over 500 mm/s with high-flow nozzles)
• Superior interlayer bonding and strength
• Smooth, professional surface finish directly off the bed
• High chemical, water, and weather resistance
• Heat tolerance up to ~70°C HDT
• Low warping and dimensional stability
• No enclosure required
• AMS and multi-material system compatible
• Less brittle and more impact-resistant than PLA

Typical Applications

• Functional prototypes
• End-use parts
• Gears, brackets, and mechanical components
• Manufacturing jigs and fixtures
• Outdoor tools and equipment
• Sports accessories and cosplay props
• Water- and chemical-resistant enclosures

Polymaker™ PETG is an excellent choice for users looking for a fast, tough, and durable material that delivers dependable performance for both indoor and outdoor functional applications.

Specifications

Material: PETG (Polyethylene Terephthalate Glycol)

Filament Diameter: 1.75mm

Net Weight: 1kg

Density: 1.30 g/cm³

Finish: Smooth / Professional Surface Finish

Enclosure: Not required

Nozzle: 0.4mm or larger

AMS Compatibility: Yes

Mechanical Properties

• Tensile Strength XY: 47.96 MPa
• Tensile Strength Z: 45.71 MPa
• Elongation at Break XY: 9.33%
• Elongation at Break Z: 3.54%
• Bending Strength XY: 80.08 MPa
• Bending Strength Z: 57.65 MPa
• Bending Modulus XY: 2277 MPa
• Bending Modulus Z: 1958 MPa
• Young's Modulus XY: 2311 MPa
• Young's Modulus Z: 2202 MPa
• Unnotched Charpy Impact XY: 20.24 kJ/m²
• Unnotched Charpy Impact Z: 15.74 kJ/m²
• Notched Charpy Impact XY: 4.95 kJ/m²

Thermal Properties

• Glass Transition Temperature (Tg): 71.24°C
• Vicat Softening Temperature: 75°C
• Heat Deflection Temperature (HDT 0.45 MPa): 69°C
• Heat Deflection Temperature (HDT 1.8 MPa): 65°C

Recommended Print Settings

• Nozzle Temperature: 240–260°C
• Bed Temperature: 60–70°C
• Maximum Print Speed: Up to 300 mm/s (500+ mm/s with high-flow nozzle)
• Cooling Fan: 20%–60%
• Direct Drive Retraction: 1–3 mm at 20–40 mm/s
• Drying: 60°C for 6 hours if the material has absorbed moisture
• Enclosure: Not required
• Use a 0.4mm or larger nozzle
• Allow the build plate and part to cool completely to room temperature before removal to prevent bed or surface damage
• Use a bed separation agent (like glue stick) on textured PEI or glass plates when extra release assistance is needed

Additional Information

• PETG is naturally hygroscopic; keep filament sealed in a dry box or dry at 60°C for 6 hours prior to printing to prevent stringing
• Replaces and upgrades legacy PolyLite™ PETG with higher speed capability and improved mechanical strength
• Compatible with AMS systems and multi-material setups with hardened spool edges
• UV and weather resistant for outdoor usage
• Polymaker currently does not provide FDA food-safe certification for this material

Note: Material shipment times are subject to Polymaker warehouse stock and production times.