Polymaker™ HT-PLA-GF High-Temperature Glass Fiber Reinforced PLA Filament

Polymaker™ HT-PLA-GF is a high-performance PLA filament reinforced with glass fiber for increased stiffness, strength, durability, and high-temperature stability. It is designed to withstand temperatures up to 150°C without significant sagging or loss of form, making it an excellent choice for demanding functional applications.

HT-PLA-GF combines the familiar printability of PLA with enhanced thermal performance and mechanical properties. The material can be printed at speeds up to 300 mm/s using standard PLA-style settings, making it suitable for both high-speed prototyping and functional production parts.

For applications requiring even greater heat stability, HT-PLA-GF can be annealed at 80–100°C for 30 minutes. Polymaker recommends using a hardened steel or ruby nozzle because the glass fiber reinforcement makes the material abrasive.

Key Benefits

• High-temperature PLA formulation

• Glass fiber reinforced

• High stiffness and durability

• Withstands temperatures up to 150°C

• Excellent heat stability

• Strong and dimensionally stable parts

• Prints using familiar PLA-style settings

• Printing speeds up to 300 mm/s

• Suitable for functional and engineering applications

• Annealing can further improve heat deflection performance

• No heated chamber required

• Available in 9 colors

• 1.75mm filament diameter

Typical Applications

• Automotive components

• Functional prototypes

• Engineering parts

• Mechanical components

• Fixtures and tooling

• High-temperature housings

• Brackets and mounts

• Replacement parts

• Industrial prototypes

• Outdoor components

• Heat-exposed functional parts

• Production components

Polymaker™ HT-PLA-GF is an excellent choice for applications requiring the easy printing characteristics of PLA combined with increased stiffness, durability, and high-temperature performance.

Specifications

Material: Glass Fiber Reinforced PLA

Filament Diameter: 1.75 mm

Net Weight: 1 kg

Density: 1.34 g/cm³

Glass Fiber Content: 10–12%

Melting Point: 177–224°C

Water Solubility: Insoluble

Thermal Properties

• High-temperature stability up to 150°C

• Annealing Temperature: 80–100°C

• Recommended Annealing Time: 30 minutes

• Melting Point: 177–224°C

The glass fiber reinforcement provides improved thermal stability, while annealing can further increase heat deflection performance.

Recommended Print Settings

• Nozzle Temperature: 210–230°C

• Build Plate Temperature: 25–60°C

• Printing Speed: Up to 300 mm/s

• Cooling Fan: ON

• Retraction Distance: 1–3 mm

• Retraction Speed: 20–40 mm/s

• Chamber: Not required

• Build Surface: Compatible with standard PLA build surfaces

• Drying: 60°C for 6 hours if material has absorbed moisture

• Annealing: 80–100°C for 30 minutes when increased heat stability is required

• Nozzle: Hardened steel or ruby nozzle required/recommended due to abrasive glass fiber reinforcement

Additional Information

• Glass fiber reinforcement increases stiffness, strength, and durability.

• The material is abrasive; a hardened steel or ruby nozzle should be used.

• SDS Classification: Not classified as a physical, health, or environmental hazard.

• SDS indicates no special eye, skin, or respiratory protection is required under normal handling conditions.

• Transport Classification: Not regulated for DOT, IATA, or IMDG transportation.

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