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Stereolithography (SL or SLA)

This old standard has high detail, smooth finish and many material options

  • Provides similar surface resolution to Polyjet and Multijet but builds faster and requires less support material.
  • Has the largest build volume for high resolution parts and after large format SLS and FDM parts.
  • Makes great aesthetic models and casting patterns.
  • Clear, translucent and opaque materials available.
  • Materials that mimic properties of ABS, polycarbonate and polypropylene available.

Design Guidelines

Please note that these are are GUIDELINES, not hard and fast rules. Follow these and you should be in pretty good shape, but we'll let you know if we see any problems.

Parameter Inches Milimeters
Min Supported Wall Thickness 0.030 0.75
Min Unsupported Wall Thickness 0.040 1.00
Min Supported Bosses 0.030 0.75
Min Unsupported Bosses 0.040 1.00
Min Embossed Detail (Height and Width) 0.010 0.25
Min Engraved Detail (Height and Width) 0.010 0.25
Clearance 0.010 0.25
 

Standard Material Properties

Visijet Impact SLA Resin

Property Value Units
Density 1.18 g/cm3
Tensile Strength 48/td> MPa
Tensile Modulus 2626 MPa
Elongation at Break 14 %
Flexural Strength 74 MPa
Flexural Modulus 2390 MPa
Impact Strength (Notched Izod) 65 J/m
HDT @ 0.45 MPa 47 °C
HDT @ 1.82 MPa 42 °C
Hardness 80 Shore D
Glass Transition (Tg) 65 °C