TPU-64D Gray Elastic Filament 1.75mm 1Kg eSun

The TPU-64D filament from eSun is a specially developed high-performance filament for 3D printers, which impresses with its high hardness and elastic properties. With a Shore hardness of 64D, it is suitable for models that need to be particularly robust yet flexible. The modified composition ensures a lower processing temperature, consistent filament thickness, and a smooth surface when printing. This significantly reduces the risk of printing issues such as clogging or uneven flow. The material is resistant to oil, chemicals, and aging, making it particularly durable and versatile. It also has high impact resistance, allowing functional parts to be reliably used in everyday life. Since TPU absorbs moisture from the air, proper storage is crucial to ensure optimal print quality. Before printing, the filament should be dried in a dry box at 60–80 °C for 4-8 hours. A direct extruder is recommended for processing, as it increases the success rate of printing. The filament is suitable for complex models as it combines high detail accuracy with flexibility. Overall, TPU-64D is the ideal choice for users who need a robust, elastic, and reliable material.

Recommended Accessories:

• Filament Dry Box
• Filament Vacuum Kit Pro 3 eVacuum from eSun

Hardness comparison of different TPU/TPE materials:

• 83A (TPE) = very soft and rubbery
• 87A (TPU) = soft to medium-hard, pleasantly elastic
• 95A (TPU) = medium hardness, still flexible and bendable
• 64D (TPU) = very hard, almost like a solid plastic with residual flexibility

Properties:

• High hardness and elasticity enable durable yet flexible components.
• Good chemical and oil resistance ensures that parts can be used even in demanding environments.
• Excellent impact resistance increases the lifespan and stability of functional parts.
• Optimized processing temperature prevents excessive softening and facilitates printing even with complex geometries.
• High aging and UV resistance guarantees long durability without significant material fatigue.
• Very good surface quality due to consistent filament thickness and low bubble formation with proper drying.
• Easy to print even at higher speeds up to 200 mm/s.

Handling TPU-64D:

• Moisture absorption: TPU quickly absorbs moisture from the air, leading to bubble formation, stringing, and rough surfaces. Therefore, the filament should be stored immediately after opening in a dry box (under 15 % humidity).
• Drying if moisture is present: If the material has become moist, it should be dried for 4-8 hours in a dry box at 60–80 °C to restore print quality.
• Choice of extruder: High-hardness TPU like 64D can also be processed with Bowden extruders, but a direct extruder (short-range extruder) is recommended for higher success rates.

Application examples

• Manufacturing of flexible protective housings for electronic devices
• Production of functional prototypes with elastic properties
• Printing of wear-resistant seals or grommets
• Manufacturing of impact-resistant components for model making
• Use in sports and leisure articles such as protective gear or shoe soles

TPU-95A recommended printing parameters:

• Printing temperature: 210-250°C Recommended: 230°C
• Heat bed temperature: 0-60°C
• Fan speed: 100%
• Feed rate: 0-200mm/s

Download:

• Filament Datasheet

Technical Data

• Manufacturer: eSun
• Manufacturer SKU: TPU-64D175H1P1
• Color: Gray
• Weight: 1Kg
• Diameter: 1.75mm
• Tolerance: +-0.05mm
• Density: 1.21 g/cm³
• Tensile strength (X-Y): 39 MPa
• Tensile strength (Z): 25 MPa
• Elongation at break (X-Y): 140 %
• Elongation at break (Z): 46 %
• Glass transition temperature: -9 °C
• Continuous use temperature: 90 °C
• Short-term maximum temperature: 120 °C
• Recommended nozzle temperature: 210–250 °C
• Recommended heat bed temperature: 0–60 °C
• Recommended drying: 80 °C, 4–8 hours in dry box
• Recommended print speed: 0–200 mm/s
• Spool size outer diameter: 200mm
• Spool width: 64mm
• Inner diameter (hole): 55mm
• Gross weight: 1360g
• Dimensions: 198 x 198 x 60mm

Scope of delivery

• 1x TPU-64D Gray elastic filament 1.75mm 1Kg eSun