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3D Materials


Clara A

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Clara A

Advantages

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


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.

 

Applications

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



Specifications ​

Liquid Properties

Measurement Condition Value
Viscosity @ 25 °C (77 °F) 200~300 cps
Color Clear
Density @ 25 °C (77 °F) 1.1 g/cm³

Optical Properties

Ec(critical exposure) Dp(slop of cure-depth vs.ln(E) curve)
7.8 - 8.3 mJ/cm2 0.17 mm

Mechanical Properties (90 Minutes UV Postcure)

ASTM Method Property Description Value
ASTM D 638 Tensile Modulus 2,540-2,720 MPa
ASTM D 638 Tensile Strength at Break 45-53 MPa
ASTM D 638 Elongation at Break 7-10%
ASTM D 648 @66PSI Heat Deflection Tempertature 40~51 ℃
ASTM D 790 Flexural Strength 50- 55 Mpa
ASTM D 790 Flexural Modulus 2,080-2,350 Mpa
ASTM D 256 Izod Impact (Notched) 20- 30 J/m
ASTM D 2240 Hardness Shore D 83


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