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PSLA 3D Printing Materials

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Matrix

PSLA 3D Printing Materials

Projection Stereolithography (PSLA) at Prototype Projects uses PRO-BLK 10 (Matrix PB10), a production-grade black resin engineered for direct digital manufacturing of functional plastic parts. Available with overnight, 3, 7 and 12-day production speeds, with a full range of finishing options.

PRO-BLK 10 is an isotropic material, meaning parts exhibit consistent mechanical properties regardless of print orientation. It delivers thermoplastic-like performance with a smooth sidewall quality and simplified post-processing.

Material breakdown

PRO-BLK 10

About the material

PRO-BLK 10 is a versatile, rigid, heat-resistant resin combining speed, strength and excellent mechanical properties for tool-less direct production of plastic parts. It delivers thermoplastic-like behaviour – including necking at the tensile break point – with a smooth surface finish and high dimensional accuracy.

The material features long-term environmental stability, retaining mechanical properties under UV and humidity exposure. It requires no secondary thermal cure, making it well suited to fast-turnaround production workflows. PRO-BLK 10 is biocompatible capable per ISO 10993-5 and ISO 10993-10, and offers a UL94 HB flammability rating.

Build volume: up to 242 x 265 x 300 mm. Machine: 3D Systems PSLA 270. Print speed: up to 62 mm/hr at 50 micron layer thickness.

Typical applications

Motor housings and connectors
Thermoplastic-like rigidity; smooth surface finish

Snap-fits and functional assemblies
12% elongation at break supports deflection under load

Automotive interior and under-hood components
Good automotive fluid compatibility

Bridge manufacturing before hard tooling
Tool-less same-day production capability

Medical device components
Biocompatible capable per ISO 10993-5 and ISO 10993-10

General-use black plastic parts
Production-grade quality; simplified post-processing

Mechanical and thermal properties

Property

Value (Metric)

Test Method

Tensile Strength (Ultimate)

63 MPa

ASTM D412

Tensile Modulus

2,320 MPa

ASTM D412

Elongation at Break

12%

ASTM D412

Elongation at Yield

4.7%

ASTM D412

Flexural Strength

92 MPa

ASTM D790

Flexural Modulus

2,290 MPa

ASTM D790

Izod Notched Impact

24 J/m

ASTM D256

Izod Unnotched Impact

614 J/m

ASTM D4812

Shore D Hardness

79

ASTM D2240

Heat Deflection Temp @ 0.455 MPa

70°C

ASTM D648

Heat Deflection Temp @ 1.82 MPa

56°C

ASTM D648

Glass Transition Temperature (Tg)

62°C

ASTM E1640

CTE below Tg

71 ppm/°C

ASTM E831

CTE above Tg

188 ppm/°C

ASTM E831

Solid Density

1.16 g/cm³

ASTM D792

Water Absorption (24 hr)

1.16%

ASTM D570

UL Flammability

HB

UL94

Note: PRO-BLK 10 properties are isotropic across all print orientations. Parts do not need to be oriented in a specific direction to exhibit these properties.

Finishing and production speeds

PSLA parts are available with overnight (next working day dispatch), 3, 7 and 12-day production speeds. Compatible finishing options include build line removal, lacquering, primer and paint finishes, blackout/EMI/RFI coating to internal surfaces, and assembly operations including threaded insert fitting.

For full finishing option details, see the 3D Printing Finishing page. See our production speeds and delivery methods, and request a quote.

PSLA 3D Printing materials

Ready to discuss your project?

When you’re ready to order, upload your CAD file to Matrix for an instant quote and same-day ordering on SLS, SLA and DLP parts. For Micro 3D Printing, PSLA, and Filament 3D Printing, request a quote using the form below.

If you’d like to talk through anything first, call us on 01763 249760 or email us and the team will be happy to help.

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Injection Moulding

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        Please Note: requests for our 3-Day production speed must meet our 3-Day criteria. All final data for our 3-Day production speed is required by 4.30pm.

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