Stereolithography（SLA）

Classification:

Stereolithography (SLA), also known as resin 3D printing, is a 3D printing technology that produces parts with high resolution and accuracy, fine details and smooth surface finishes. Part of the vat photopolymerization printing family, SLA technology uses photosensitive thermoset polymers to produce custom parts. We use Formlabs materials for rapid prototyping and 3D Systems Accura materials for large-scale production.

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Product Description

Technical specifications


Maximum build dimensions	Dimensions are unlimited as components may be composed of several sub-parts. The maximum build envelope is 1800 x 600 x 900 mm
Standard accuracy	±0.3% (with a lower limit on ±0.2 mm)
Layer thickness	0.07 – 0.12 mm (material dependent)
Minimum wall thickness	1 mm
Surface structure	Provide smooth surface finishes with a very fine line of layering that greatly reduces post-finishing.

Materials

Choose from a broad selection of materials when you come to DHTech3d for your stereolithography.

Quality Resin-White

Quality Resin White works with SLA 3D printing at DHTech3d. Known for its smooth surface finish, high resolution, and good toughness, it is ideal for artwork, consumer electronics, household items, and more.

KEY CHARACTERISTICS

Biocompatible and ISO 10993 compliant
High tensile, impact and flexural strength
Very high dimensional accuracy
Max part dimensions: 1800 x 600 x 900 mm

Quality Resin-Black

Quality Resin Black works with SLA 3D printing at DHTech3d. Known for its smooth surface finish, high resolution, and good toughness, it is ideal for artwork, consumer electronics, household items, and more.

KEY CHARACTERISTICS

High impact strength and durability
Electrostatic-dissipative properties
Very high dimensional accuracy
Max part dimensions: 1800 x 600 x 900 mm

Quality Resin-Light Yellow

Quality Resin Light Yellow works with SLA 3D printing at DHTech3d. Known for its smooth surface finish, high resolution, and good toughness, it is ideal for artwork, consumer electronics, household items, and more.

KEY CHARACTERISTICS

Excellent impact strength and temperature resistance
Flame retardant — Blue Card-certified, UL 94 HB certified
High flexural and tensile strength, and very high dimensional accuracy
Max part dimensions: 1800 x 600 x 900 mm

Premium Clear Resin

Premium Clear Resin works with SLA 3D printing at DHTech3d. It is a clear resin and can produce transparent or translucent parts. It is ideal when you need to see through a part or are trying to make a lid or container. Parts printed with Premium Clear Resin may have bubbles on the surface.

KEY CHARACTERISTICS

High impact strength and thermal resistance of polycarbonate
High flexural and tensile strength of ABS
Very high dimensional accuracy
Max part dimensions: 1800 x 600 x 900 mm

TPU White

TPU White is compatible with DHTech3D's SLS 3D printing. SLS 3D printed TPU uses a laser to sinter powdered TPU material, which is then fused layer by layer to create a flexible and durable part.

KEY CHARACTERISTICS

High strength and stiffness, ideal for parts exposed to constant stress and heavy loads
Excellent heat resistance, making it suitable for use in high-temperature environments
Good chemical resistance and dimensional stability
Max part dimensions: 1800 x 600 x 900 mm

High-Temp Resin Red

High-temp resin works with SLA 3D printing at DHTech3d. It is transparent and has an orange-red color. We find customers using it to produce parts that need to work at high temperatures, need light to pass through, and do not affect the smoothness of the surface, such as lamp covers or light pipes.

KEY CHARACTERISTICS

Superior mechanical properties, with a high strength-to-weight ratio
Very high dimensional accuracy
Max part dimensions: 914 x 610 x 914 mm

Design/Modeling

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Model making

Surface treatment

Quality Inspection

Shipment

None

Selective Laser Sintering（SLS）

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