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SLA Plastic Accura® Xtreme™

Also known as Gray SLA, Gray Resin

Colors

Gray swatch of Accura Xtreme

About Accura Xtreme

Accura Xtreme is a gray and rigid acrylate-based plastic. It is 3D printed using a large format stereolithography (SLA) printer capable of producing small to large parts with high resolution and detail as well as smooth surfaces with limited layer lines. This material is well suited for challenging functional assemblies with a smooth, injection molded-like surface finish.

Common Applications

Cases, mechanical parts, tech accessories, functional prototypes, display models, snap-fit assemblies

Handling and Care

Glass Transition (Tg) 70C/158F
Good Chemical Resistance
Watertight
High Strength
Good Dimensional Accuracy
Good Surface Finish

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Frequently Asked Questions

What colors and finishes are available for this material?

Accura Xtreme is gray. We currently offer standard finishing which includes support removal and light sanding to remove nubs left from supports although some markings from supports may remain.

How long will it take to receive a model in this material?

Production times depend on the model size but products ship between 6 and 10 business days with Priority manufacturing. The shipping time depends on your location and your chosen speed.

How is this material made?

Accura Xtreme is printed using stereolithography (SLA) technology, which uses a laser to solidify a layer of liquid resin onto a build platform at the top of the resin tank. The platform moves up out of the resin tank and the process is repeated, building the part layer by layer. The parts are then cured with UV light and supports are removed. This technology results in high resolution and detail as well as smooth surfaces with limited layer lines. Small artifacts of where supports were located may be visible on the final product.

Technical Documents

More Materials

High Strength
Smooth Surface
Translucent
Applications
Transparent Cases
Visual Protoypes
Fluid Flow Models
Technology
Stereolithography (SLA)
Smooth Surface
Very High Detail
High Accuracy
Applications
Miniatures
Scale Models
Jewelry Prototypes
Technology
Material Jetting
  • Bounding Box
  • Wall Thickness
  • Wires
  • Surface Details
  • Escape Holes
  • Clearance
  • Interlocking Parts
  • Multiple Parts
  • Accuracy
  • Layer Thickness
  • Design Tips
  • Pricing

BOUNDING BOX

Maximum
482 x 482 x 558 mm
Minimum
3.8 x 3.8 x 3.8 mm

Your model should be within the minimum and maximum bounding box sizes. The maximum bounding box represents the largest model that that we can manufacture. The minimum bounding box size is the smallest dimension in which we can manufacture in this material.

WALL THICKNESS

Minimum Supported Wall Thickness
0.4 mm
Minimum Unsupported Wall Thickness
0.5 mm

A supported wall is connected on at least two sides. Walls in your model must meet the minimum measurements to ensure it survives the printing and cleaning process. Thin walls are prone to warping during printing and are fragile to clean. Objects that meet the minimum requirements may still be rejected based on the geometry in which case our production team will communicate with you if the design needs improvements and can assist you to strengthen your model.

WIRES

Minimum Supported Wires
0.5 mm
Minimum Unsupported Wires
0.6 mm

A geometry is considered a wire when it is thinner in both unconnected directions than its length. Wires that are under our suggested minimums are prone to breaking in the cleaning process, or warping.

SURFACE DETAILS

Min embossed detail
0.3 mm high, 0.4 mm wide
Min engraved detail
0.3 mm deep, 0.3 mm wide

We recommend these minimum measurements for details like embossing or engraving, based on printer resolution.

ESCAPE HOLES

Single Escape Hole Diameter
5.0 mm
Multiple Escape Hole Diameter
4.0 mm

Hollow cavities will trap liquid resin so escape holes are needed in order for us to completely clean excess resin from a part.

A single escape hole at the end of a cavity will not allow material in the corners near the escape hole to fully escape. So we recommend multiple escape holes at both ends of the cavity.

CLEARANCE

0.3 mm

Clearance is the space between two parts or features.

INTERLOCKING AND ENCLOSED PARTS ?

No interlocking or enclosed parts may be printed.

MULTIPLE PARTS ?

Up to 250.

ACCURACY

±0.2% (with a lower limit of ±0.2 mm)

LAYER THICKNESS

100 microns

DESIGN TIPS

Print Lines or "Stepping"

Although SLA technology can create very smooth surfaces, a “staircase” effect, or print lines, can occur on the surface of your print, and is more pronounced on curved and angled surfaces.

Preventing Warping

Making your design more stiff (increasing torsional rigidity) will reduce the risk of warping. Longer walls need to be thicker than short ones.

Orientation

Our production team does their best to evaluate your product and orient it to optimize either dimensionally accuracy or aesthetics depending on the application. Support material can leave small markings after removal so aesthetic features will be oriented to limit support contact.

Holes

We cannot clean holes that are too small relative to their depth. Additionally, tubes with corners can be difficult to reach and we may not be able to fully clean your model.

We recommend creating multiple access points to holes and small tubes so that we can properly clean your model.

PRICING

How will the price of my model be calculated?

  • Material Volume - the amount of material needed to 3D print your product
  • Machine Volume - the amount of space your product takes inside our 3D printers
  • Number of parts - a part is a piece of a model that can be separated from other pieces of the model
  • Production - associated production costs including labor; quality control; machine maintenance; general utilities; and other supporting services required to 3D print your product

What is the minimum price per part?

The minimum price is $30 per part.

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