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ATARU™ BLACK

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A groundbreaking UV-curable
material for DLP-printing

ATARU™ BLACK is engineered for exceptional high-temperature
resistance and durability. ATARU™ BLACK also delivers excellent surface quality along with incredibly low dielectric loss.

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Market-leading thermal performance and durability

Suitable for injection molding & demanding environmental conditions.

Signal Integrity Assurance

Unique low dielectric loss property ensures suitability for high-frequency electrical applications.

Seamless integration

Low viscosity ensures compatibility with a wide range of DLP printers, enabling reliable printing and consistently high-quality results.

Enhanced Precision

Maintains excellent accuracy, even for fine features, down to the printer’s pixel size. Easily scalable, even after post-processing.

Key Benefits

  • High thermal performance and durability
  • High impact strength
  • Ultra low loss
  • Excellent surface quality
  • Maintains excellent accuracy, even for fine features, down to the printer’s pixel size.
  • Fast processing
  • Serial production

Ideal Applications

ATARU™ BLACK Properties

Viscosity~885 mPas (at 23° and 100 1/s)
ColorBlack
ConditionStandardUnitValue
Tensile Modulus1 mm/minISO 527-1/-2MPa5790
Strain at break5 mm/minISO 527-1/-2%1.8
Stress at break5 mm/minISO 527-1/-2%69
Flexural Modulus1 %/minISO 178MPa5190
Flexural Strength1 %/minISO 178MPa121
Flexural Strain at break1 %/minISO 178%2.9
Izod impact strength unnotched+22°C / 1 JASTM D4812 : 2006J/m170
ConditionStandardUnitValue
CTE (0°C to 110°C)3 K/minIPC-TM-650 2.4.24.5µm/(m∙K)45.6
CTE (110°C to 200°C)3 K/minIPC-TM-650 2.4.24.5µm/(m∙K)75.2
CTE (200°C to 300°C)3 K/minIPC-TM-650 2.4.24.5µm/(m∙K)106.1
Td210 K/minIPC-TM-650°C367
Td510 K/minIPC-TM-650°C391
Tg10 K/minIPC-TM-650°C>300°C
HDT/B (0.45 MPa)FlatISO 75-2:2013-08°C>300°C
HDT/A (1.8 MPa)FlatISO 75-2:2013-08°C>300°C
HDT/C (8.0 MPa)FlatISO 75-2:2013-08°C133
ConditionStandardUnitValue
Thermal Conductivity25 °CW/mK0.28
Thermal Conductivity50 °CW/mK0.29
Thermal Conductivity100 °CW/mK0.31
Spec. Heat Capacity23 °CJ/gK0.97
Spec. Heat Capacity200 °CJ/gK1.5
Resin

Suitable for systems with a wavelength in the range of 365-405nm. Recommended exposition time at 405nm under room temperature:

  • 2.7 mW/cm2: 12.5 secs
  • 5.5-16 mW/cm2: 2.3 secs
  • Base layer: 10-15 secs

Elevated temperature ease the release of large cross-sections. In case of flashing, add a delay before the exposition start.

1. Cleaning

Submerge the parts in the Ataru resin cleaner bath for 7–10 minutes at room temperature. Rinse after cleaning.

2. Drying

Use compressed air to blow dry the parts. Ensure all moisture is removed from intricate areas.

Allow parts to fully air-dry before proceeding to the next stage of post-processing. Ensure no moisture remains inside or on the parts.

3. UV Post-curing

Any type of UV treatment is suitable (low risk of overcuring). Examples:

  • 6x10s @50% (Hoenle UV Cube 100 IC)
  • 2×30 min (CureBox Wicked Engineering)
4. Thermal Post-treatment

Heat from room temperature to 200°C:
For bulky parts, apply heat at a controlled rate of 2°C/min to promote even material heating before curing begins. For thin parts heat-up ramps can be 1-3°C/min.


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Print Process
ATARU™ BLACK – 2 packages available for DLP systems: 1 liter and 5 liters
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