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Description
Polymaker Fiberon PPS-GF20 1.75mm Filament 3kgFiberon PPS GF20 is a glass fibre reinforced PPS (Polyphenylene sulphide) filament, with minimal warping during printing and no need for a heated chamber. Designed for engineers who demand the best in thermal resistance, dimensional stability, and dielectric insulation. This glass fibrereinforced PPS filament is the go to choice for high performance applications across electronics, aerospace, and industrial environments. Features Electrical Insulation
Fiberon™ PPS-GF20 is a glass fibre reinforced PPS (Polyphenylene sulphide) filament, with minimal warping during printing and no need for a heated chamber. Designed for engineers who demand the best in thermal resistance, dimensional stability, and dielectric insulation. This glass fibre–reinforced PPS filament is the go-to choice for high-performance applications across electronics, aerospace, and industrial environments.
Features
- Electrical Insulation - Fiberon PPS-GF20 offers 6.05 kV/mm dielectric strength and a low dielectric constant (2.71 @ 1MHz), making it perfect for electrical housings, ADAS sensor enclosures, and structural components in 5G base stations.
- Extreme Heat Resistance - Featuring a heat deflection temperature of up to 236.3°C after annealing[1], Fiberon PPS-GF20 delivers extreme heat resistance for a wide range of demanding environments.
- UL94-V0 Flame Retardance - Ideal for automotive, railway and aerospace applications, Fiberon PPS-GF20 displays V0 performance in the UL94 flame retardancy test, benefiting applications where respective material approval is required. Fiberon PPS-GF20 can reduce the intensity of a fire or slow/stop the spread of fire due to its self-extinguishing characteristics.
- Chemical Resistance - Fiberon PPS-GF20 is developed to withstand the harshest environments, delivering outstanding chemical resistance.
- Excellent stiffness & moisture insensitivity - Compounded with 10% chopped carbon fibre, Fiberon PPS-GF20 offers excellent mechanical strength and stiffness for a wide range of jig, fixture, automotive and manufacturing applications. Fiberon PPS-GF is a "moisture insensitive" composite filament[2] , ensuring excellent mechanical properties regardless of moisture absorption. This is in comparison to parts produced in nylon-based carbon fibre that absorb moisture from the air, a process which reduces tensile strength and stiffness of carbon fibre nylon parts. With Fiberon PPS-GF20 users can print end-use parts for a wide range of industries without concerns of mechanical performance if the component is exposed to humid or wet applications.
- High Speed Capable - Fiberon™ PPS-GF20 is high speed capable industrial material, enabling printing up to 250mm/s on suitable high speed printers.
- Printer Compatibility & Excellent Surface Finish - Unlike other ultra performance polymers that require actively heated and high temperature chamber environments, Fiberon PPS-GF has been developed to print on a wide-range of 3D printers that can reach a 310 - 350°C nozzle temperature.
[1] Fiberon™ PPS-GF20 displays the best mechanical and thermal properties when fully crystallised. The printed part will not reach full crystallisation during the printing process, an additional step is required: Annealing. PPS-GF20 can be annealed in the oven at 130°C for 10 hours.
[2] Moisture insensitivity does not describe whether the filament should be kept dry for optimal print quality. This description of moisture insensitivity is in the context of the end-use application where extremely moisture sensitive materials like PA6-CF see a significant reduction in mechanical properties as the part absorbs moisture. With PPS-GF moisture absorption is minimal and doesn't impact the mechanical properties of the part. For best printing results PPS-GF should still be kept dry during printing and storage.
Technical Data
All PPS-GF specimens were printed with 350°C nozzle temperature, 90°C bed temperature, cooling fan OFF and samples were annealed after printing at 130°C for 10h. Samples were printed with 100% infil, 2 shells and 3 top & bottom layers.
Physical Properties
| Value | |
| Density | 1.26 g/cm3 |
| Melt Index |
27 g/10min (300°C, 2.16 kg) |
| Moisture Sensitivity |
Moisture Conditioning (70% RH, 23°C) Equilibrium at 0.11% after 20 days. Moisture absorption curve. |
| Flame Retardancy | UL94 - V0 (1.5mm) |
Thermal Properties
| Value | Testing Method | |
| Glass Transition | 995°C | DSC, 10°C/min |
| Heat Deflection Temperature |
0.45MPa - 236.3°C HDT Curve |
ISO 75 |
| Vicat Softening Temperature | 272.5°C | ISO 306, GB/T 1633 |
PPS is a semi-crystalline material, it's crystalline regions offer many properties, but in particular their structure deliver the heat resistance that PPS is known for. Annealing after printing is a critical process to achieve consistent crystallinity and complete the production process of PPS parts.
Mechanical Properties
| Value | Testing Method | |
| Youngs Modulus (X-Y) |
4552 ± 54.6 MPa | ISO 527, GB/T 1040 |
| Youngs Modulus (Z) |
2557 ± 101.2 MPa | |
| Tensile Strength (X-Y) |
64.1 ± 2.1 MPa | ISO 527, GB/T 1040 |
| Tensile Strength (Z) |
22.9 ± 0.8 MPa | |
| Bending Strength (X-Y) |
102.3 ± 3.7 MPa | ISO 306, GB/T 1633 |
| Bending Strength (Z) |
45.7 ± 1.1 MPa | |
| Charpy Impact Strength Notched (X-Y) |
7.3 ± 0.2 kJ/m2 | ISO 179, GB/T 9343 |
| Charpy Impact Strength Un-notched (X-Y) |
27.3 ± 1.1 kJ/m2 |
Data taken from Polymakers Technical Data Sheet and is intended for reference and comparison purposes only. Due to the nature of 3D printing, data should not be used for design specifications or quality control purposes.
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