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MJF Plastic PA12 Glass Beads

Also known as HP Multi Jet Fusion (MJF) PA12 Glass Beads, PA12 GB, Glass Bead PA12, Glass-filled PA12, PA12 GF, Nylon 12 GB

Colors

White Strong & Flexible Black Strong & Flexible

About MJF Plastic PA12GB

PA 12 Glass Beads is a Multi Jet Fusion nylon plastic infused with glass beads that improve product stiffness and structural integrity. This material is 40% glass-filled which reduces warping during the printing process and over the product’s life. PA12 Glass Beads is great for flat and large parts that are prone to warping in Versatile Plastic and MJF PA12 Plastic and for functional parts that require high strength and dimensional accuracy.

Common Applications

Tooling, Robotics, Drones, Fixtures, Medical Braces, Housings, Cases

Handling and Care

Heatproof to 80C/176F
Skin-Friendly
Good Chemical Resistance
High Stiffness
Good Dimensional Stability
Thin features and interlocking parts

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Frequently Asked Questions

What colors and finishes are available for this material?

Gray: Natural gray finish, blasted with oxide beads and air
Dark Gray: Blasted with oxide beads and air, finished with a dark gray color

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

Production time depends on the model size, but usually products ship within 10 business days.

How is this material made?

This material is made using HP Multi Jet Fusion technology. Starting with a layer of Nylon powder on a build platform, a set of inkjet print heads pass across the print bed and deposit a heat reactive fusing agent onto the powder which solidifies into plastic when a heating lamp passed over the build area. Next, the build platform moves down, and a new layer of powder is deposited and this process is repeated, building up parts layer-by-layer. Additional support material is not required and interlocking parts are possible.

How does the strength in the direction between layers (z-axis) compare to the rest of the part?

The strength in the x-axis is comparable to the strength in the x & y axes, creating near homogeneous mechanical properties.

More Materials

Professional Smooth Finish

High Strength & Durability

Watertight

Applications
Cases & Mounts
Mechanical Parts
Eyewear
Technology
Multi-Jet Fusion
Good Strength
Many Colors Available
High Density
Applications
Tools & Accessories
Home Decor
Art
Technology
Binder Jetting
  • Bounding Box
  • Wall Thickness
  • Wires
  • Surface Details
  • Escape Holes
  • Clearance
  • Sprues
  • Interlocking Parts
  • Multiple Parts
  • Accuracy
  • Design Tips
  • Pricing

BOUNDING BOX

Maximum
284 x 380 x 380 mm
Minimum
X + Y + Z ≥ 9.0 mm
7.0 x 7.0 x 7.0 mm

Your model should be 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
0.75 mm
Minimum Unsupported Wall Thickness
1.0 mm

A supported wall is connected on two or more sides. An unsupported wall is one connected to other walls on less than two sides. Walls in your model should be thicker than or equal to the minimum measurements suggested to ensure your model makes it through printing and cleaning. Walls that are too thin are prone to warping in the printing processing, or may break when we remove it from the printer and clean it. Walls and wires close to or slightly above the guidelines may still be rejected based on the geometry. For example, extra long wires or walls protruding from an object may be damaged during cleaning. Our production team will communicate with you if the design is too weak with tips on how to strengthen it.

WIRES

Minimum Supported Wires
1.0 mm
Minimum Unsupported Wires
1.0 mm

A geometry considered a wire when its 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
0.5 mm high & wide
Min engraved detail
0.5 mm high & wide

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

ESCAPE HOLES

Single Escape Hole Diameter
4.0 mm
Multiple Escape Hole Diameter
2.0 mm

Pressurized air is used to blast excess powder from models that are hollow, or contain hollow cavities. In order for us to safely do this, escape holes need to be larger than 4.0 mm in diameter. For models larger than 50.00 mm³ we require two or more escape holes at least 2.00 mm in diameter.

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

0.6 mm

Clearance is the space between two parts, e.g. space between gears or a ball and socket joint.

SPRUES

2 mm thick, attached in at least 2 places per part

Sprues are wires that keep two models together. Sprues are more likely to break compared to other wires because they typically connect parts with high mass on either side. For this reason, they need to be thicker than our minimum wire thickness.

INTERLOCKING AND ENCLOSED PARTS ?

Yes.

PA12 Glass Beads Plastic is printed with a powder bed process fusing together nylon powder. This enables interlocking parts, as long as the distance between them is greater than the indicated minimum.

MULTIPLE PARTS ?

Up to 250.

ACCURACY

±0.25 mm + 0.2% of the longest axis

For example: a product with dimensions of 50x50x100 mm can be 0.25 mm + 0.002*100 mm = 0.2 mm bigger or smaller in any direction.

DESIGN TIPS

Print lines or "Stepping"

A "staircase" effect, or print lines, can occur on the surface of your print. These can become 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.

Avoid "Spikes"

If your model has spike-like geometry where the spike is longer than it is wide, it’s possible for it to break in the cleaning process.

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. Generally, the top surface will have more visible stepping than the bottom surface. The mating surface and other important features like holes are the most accurate when placed in the horizontal plane.

Holes & Small Holes

We cannot clean holes that are too small compared 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?

  • Gray - $11.00
  • Dark Gray - $11.00

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