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SLA 3d printing rapid services

Build It Fast;
Build It Affordably

SLA is a fast and very cost-effective
choice for many applications.

Lead times from 2 days
ISO and IATF certified
From 1 to 10,000+ parts
30+ industrial SLA printers available
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Our SLA 3D Printing Services

Stereolithography or SLA is one of the earliest and the most versatile 3D printing technologies. The parts are accurate to CAD and have a good surface finish which can be easily improved with post process finishing.

Stereolithography is fast, cost-effective and offers one of the widest ranges of material options, making it a good option for prototypes and low volume production.


Our Capabilities Industrial SLA
Maximum Build Size 800 x 800 x 550 mm (31.5″ x 31.5″ x 21.6″)
Lead Time 2-3 days
Resolution ± 0.2mm
Prototyping Applications Fine detailed, high aesthetic and accurate to CAD prototypes
End-Use Applications Low-volume, high aesthetic parts. Some functional end-use applications

SLA Materials

Rigid Resin

Rigid SLA resins offer a high level of stiffness and an exceptionally smooth finish. Due to its strength and resistance to deformation over time, it can be applied in some functional applications such as creating jigs and fixtures.
Material Reference
SOMOS 8000, TOP31B
White Transparent, Black
sla 3d printing rigid resin material

Transparent Resin

At HLH, we can create excellent clear 3D printed parts. Transparent SLA resins are generally stiff. Because of the structure required to support your model during printing, freedom of design is limited.
Material Reference
Crysta-8QEF1, Godart 8001
sla 3d printing a transparent part

Generic Resin

C-UV 9400 is an ABS-like SLA resin which has accurate and durable features. It can be applied in master patterns, concept models, general parts and prototypes in the field of automotive, medical and consumer electronics industries.
Material Reference
C-UV 9400
stereolithography generic resin material

High Toughness Resin

As the name suggests, high toughness resins are hard to break. Such SLA resins are extremely stiff, resistant to cyclic loads, and very strong, designed to withstand high stress or strain for short periods of time. High toughness SL resins can be applied in some functional applications.
Material Reference
Godart 8228, Lasty-R, Taurus
Light Green, Yellow, Black
High Toughness SLA 3D printing Resin

High Temp Resin

Plastics that can exceed 300° F in continuous operating temperature are usually classified as “high-temperature.” While each offers incredible resistance to heat, applications vary widely due to variations in chemical resistance, strength, wear-resistance, electrical properties, etc.
Material Reference
YG H-3001, Lasty-702
Grey, Yellow
sla 3d printing high temp material
Rigid Resin Transparent Resin Generic Resin High Toughness Resin High Temp Resin

Typical SLA Finishing Options

Applicable Materials Colour Description
Sanding All Sanding SLA printed parts is often the best way of smoothing edges, removing blemishes, and getting rid of any leftover support marks.
Spray Painting All Black, Pantone/RAL colours Spray painting is a quick way to colour parts. It can also reach areas that cannot be reached with a brush.
Plating ABS Metallic Plating is method of adding
a thin layer of metal of the outer layer of a material. It is used to harden, decorate and improve wearability of parts.

About The Process

SLA 3D printing builds parts one layer at a time using a highly accurate UV laser to solidify one layer of photosensitive resin, which makes the parts accurate and in good surface. The parts need to be built with support structures which are removed during post process.

Design For SLA

To achieve better part quality and end results, it is important that you design your part for the process. Learn how to design overhangs. assembly parts and more in our SLA 3D printing design guide.

designing sla parts for manufacturing
how to design parts for sla 3d printing or stereolithorgrpahy

Advantages of SLA 3D Printing

Material Selection
HLH offers a vast material selection with a range of properties, as well as the ability to print multiple materials and simulate overmoulds.

Finest Detailing
SLA is one of the best 3D printing technologies for creating very accurate and finely detailed parts.

Rapid Turnaround
Because SLA can create complex and multi-material parts in a single operation, significantly less build time is needed vs. traditional manufacturing.

Smooth Finish
SLA creates parts with an excellent finish which remarkably resembles end use items like injection moulded parts.


Stereolithography or SLA 3D printing is the most common resin 3D printing process. It has become very popular over the years due to its ability to produce highly accurate and watertight prototypes and end-use parts in a range of materials with fine features and smooth surfaces.

SLA (or stereolithography) is a plastic 3D printing process that uses light-reactive thermoset materials called “resin.” The process offers a wide range of plastic material options that are often categorized by different material properties, including:

  • generic resin
  • transparent resin
  • high temp resin
  • rigid resin
  • high toughness resin

The many advantages of SLA 3D printing have made it a choice for many applications across different industrial sectors for many years, including:

  • automotive
  • consumer goods
  • gaming
  • robotics
  • medical
  • jewellery

SLA 3D printers use UV lasers to trace out the cross-sections of the model and form a object. This process creates a very high resolution, detailed printout, but it requires a longer print time. On the other hand, FDM (fused deposition modeling) creates parts additively using a filament. The process results in a lower quality printout, but they can do so faster.

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