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3D Printing Materials

Clara A-6801

Material Overview

The main reason why customers chose Clara S is for its transparency, but it has other advantageous properties too. It is easy to recoat and cleaning quick and easy. It is also a very accurate material to work with, allowing for highly precise design, and it requires little or no finishing, so parts are quick to produce.



Transparent, excellent optical clarity
Resistant to humidity and moisture
Easy to process and finish
Simulates acrylic effect


Master patterns
Concepts and prototypes
Fluid flow analysis
Optical testing
Car headlights

Specifications ​

Liquid Properties

Measurement Condition Value
Viscosity @ 25 °C (77.5 °F) 226 cps
Color Transparent
Density @ 25 °C (77 °F) 1.09 g/cm³

Optical Properties

Ec(critical exposure) Dp(slop of cure-depth vs.ln(E) curve)
7.8 - 8.3 mJ/cm2 0.14 mm

Mechanical Properties (90 Minutes UV Postcure)

ASTM Method Property Description Value
ASTM D 638 Tensile Modulus 2304 MPa
ASTM D 638 Tensile Strength at Break 49.76 MPa
ASTM D 638 Elongation at Break 6.8%
ASTM D 648 @66PSI Heat Deflection Tempertature 50 ℃
ASTM D 790 Flexural Strength 65.84 Mpa
ASTM D 790 Flexural Modulus 2069 Mpa
ASTM D 256 Izod Impact (Notched) 49.84 J/m
ASTM D 2240 Hardness Shore D 82


Subject Download View
Clara A
ProtoFab Clara A
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