
Sunlu TPU SILK 98A filament 1.75 mm 1 KG

Experience flexibility and shine with Sunlu SILK TPU filament. This filament combines the functional benefits of TPU with a silky finish that gives your 3D prints a unique and aesthetic look. With a diameter of 1.75 mm and a tolerance of ±0.02 mm, this filament is a perfect fit for most FDM 3D printers.

Product features:
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Flexible and Durable: Sunlu SILK TPU filament is known for its flexibility and durability, making it ideal for functional parts that require a certain degree of elasticity.
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Silky Finish: The silky smooth finish gives your prints a glossy and attractive surface, perfect for decorative and aesthetic projects.
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No Clogging, No Bubbles: The filament is manufactured with a clogging-free technology that ensures stable and uniform extrusion.
- Recommended Settings: For best printing results, it is recommended to print at a nozzle temperature of 205-215°C and a bed temperature of 60-80°C. Print speed: 50-100mm/s


Printing Guide – Flexible and Rigid Filaments (Rigid and Flexible)
1. Speed recommendations
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Direct extrusion (Near-end):
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With retraction: up to 50 mm/s
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Without retraction: up to 60 mm/s
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Bowden extrusion (Distal):
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Without "pumping back": up to 20 mm/s
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Max. 30 mm/s without retraction
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2. Slicer settings
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Do you want high flexibility and softness:
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Do not use any infill and keep the wall thickness between 0.8 mm and 1.2 mm for the best result.
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Do you want more elasticity and structure (stiffness):
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Use infill of 5–15% and set the wall thickness to ≥ 1.2 mm for increased stability.
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3. Adjustment for larger prints
Flexible filaments have slower curing times. For larger models, you can gradually increase the print speed up to 10 mm/s , depending on the model size.
4. Limitations of flexible materials
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Not suitable for hollow models or models with large overhangs as the material does not support these structures effectively.
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Not suitable for tall models , as top structures can cause nozzle notches and instability , which can lead to print failures.

About this product
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TPU-SILK 3D printer filament: TPU-SILK 3D printer filament has a shiny, silky surface and at the same time the flexibility of TPU filament.
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98A TPU Filament 1.75mm: SUNLU TPU-SILK filament has a Shore hardness of 98A, designed for both flexibility and stiffness.
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Impact resistance: 98A TPU filament is suitable for printing materials that require high impact resistance; it is a flexible material with a certain hardness.
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Easy to use: Compared to 95A TPU filament, SUNLU 98A TPU-SILK filament is easier to work with and provides a much higher printing success rate.
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Fast printing: TPU SILK 3D filament can print up to 4 times faster than regular TPU filament and enables printing speeds up to 200 mm/s.
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Recommended settings: We recommend a nozzle temperature of 210–220°C, a glass temperature of 50–60°C, and a print speed of 50–100 mm/s.
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TPU-SILK filament 1.75 mm: TPU SILK filament offers a dimensional accuracy of +/- 0.03 mm, making it compatible with almost all 1.75 mm FDM 3D printers.
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Wide application: 98A TPU-SILK 3D filament is suitable for printing high impact resistance models, flexible functional parts and decorative items.
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Coil size: 1 kg coil with a diameter of 195 mm, coil width of 57 mm and a coil hole diameter of 63 mm.
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Vacuum Packaging: SUNLU 3D printer filaments are packed in airtight vacuum packaging to ensure they remain free of moisture.
