Overview: What is Carbon DLS™ Technology?

Carbon DLS™ Technology Basics
Carbon DLS (Digital Light Synthesis) is an advanced 3D printing technology that produces parts with end-product-grade durability, high resolution, and excellent surface finish through the synergy of digital light projection, oxygen-permeable optics, and programmable liquid resins.Early versions were also called Continuous Liquid Interface Production (CLIP), with its continuous forming method differing from traditional layer-by-layer processes, giving parts isotropic mechanical properties.

Overview: What is Carbon DLS™ Technology?

DLS™ Materials

DLS™ Materials Available at Xometry:

Material Name Description Shore Hardness Elongation at Break (%) Impact Strength, Izod Notched (J/m) Data Sheets

RPU 70

Rigid polyurethane

80D

100%

15 J/m

RPU 70 Data Sheet

RPU 130

Impact-resistant polyurethane

77D

100%

75 J/m

RPU 130 Data Sheet

UMA 90

General-purpose, customizable color

86D

30%

30 J/m

UMA 90 Data Sheet

EPX 82

Heat-resistant epoxy

89D

5%

45 J/m

EPX 82 Data Sheet

MPU 100

Medical-grade, biocompatible

81D

25%

30 J/m

MPU 100 Data Sheet

FPU 50*

Semi-rigid polyurethane

71D

200%

30 J/m

FPU 50 Data Sheet

EPU 40

Highly-elastic polyurethane

72A

400%

N/A

EPU 40 Data Sheet

EPU 41

Production-grade elastomer

71A

300%

N/A

EPU 41 Data Sheet

EPU 46

Customizable-color elastomer

80A

300%-330%

N/A

EPU 46 Data Sheet

SIL 30

Extra soft silicone-urethane

35A

350%

N/A

SIL 30 Data Sheet

LOCTITE 3D IND405 Clear

Rigid, high-strength clear resin

79D

126%

72 J/m

LOCTITE 3D IND405 Data Sheet

* Available by special request.

More carbon 3D materials are available upon request by selecting Material: Other and writing in the specific resin.

Available Finishes for Carbon DLS™ Parts

Parts formed using Carbon DLS technology typically exhibit matte to semi-matte surface texture depending on build orientation. Vertical extending structures will show fine lines parallel to the build direction. After printing, support structures are removed and contact surfaces receive necessary finishing treatment to ensure the part is clean and usable overall.

UMA 90 material supports various custom colors, adjustable according to customer needs. In addition to standard Black and White, other solid color options are available, suitable for part manufacturing with specific color requirements.

If the surface finish you need is not listed in the standard options, please submit an inquiry. We will evaluate and recommend suitable post-processing solutions based on your project characteristics.

Ready to get your 3D printing quote?

Ready to get your 3D printing quote?

Free shipping available for domestic 3D printing orders

Typical Applications of Carbon DLS™ Technology

Rapid Prototyping

Rapid Prototyping

Can produce robust, flexible, and colorful functional prototypes, helping development teams validate design and performance in early product stages.

End-Use Functional Components

End-Use Functional Components

DLS materials feature high density and excellent mechanical properties, designed for real-world use environments, suitable for manufacturing end-use parts that can be directly applied.

Direct Digital Manufacturing

Direct Digital Manufacturing

duction of small-to-medium sized parts, supporting on-demand manufacturing and fast delivery, providing efficient solutions for low-volume customized production.

Carbon DLS™ 3D Printing Technology Advantages

Engineering-Grade Material System
Complex Geometry and Lattice Structures

Carbon DLS™ General Tolerances

Description Tolerance Notes

General Tolerances

+/- 0.003” for the first inch is typical, plus +/- 0.010” for every inch thereafter*

Build Size

7.4” x 4.6” x 12.8” is typical.
Parts exceeding 4” x 4” x 6” will require manual review.

Ideal Part Size

Part's below 2" x 1" x 3" or smaller tend to have the best production economy of scale.

Minimum Wall Thickness

0.030" or larger is suggested for any walls, text, or lattice features.

DLP Pixel Resolution

Approximately 0.005" square

* General tolerances for Digital Light Synthesis™ are represented. Build stresses, geometry, support strategy, and other factors may cause deviation in tolerances and flatness. Improved tolerances may be possible after a manual quote review following successful completion of a test build, and are approved on a case-by-case basis. General tolerances apply before secondary finishing or post-processing unless otherwise specified.

Please check out Xometry's Manufacturing Standards for more information.

Need to Compare Printing Processes?

Need to Compare Printing Processes?

Our quick reference guides let you quickly compare different 3D printing processes!

Batch Production Scalability

Compared to photopolymer-based 3D printing technologies like Stereolithography (SLA) or PolyJet, Carbon DLS's core difference lies in its unique secondary thermal curing process.Post-build thermal treatment activates dormant epoxy or polyurethane components in the resin, giving parts mechanical strength far exceeding single UV curing, meeting performance requirements in real-world environments.
Additionally, DLS uses a continuous forming method without pausing between layers, avoiding the anisotropy common in traditional layer-by-layer processes.Finished parts have consistent mechanical properties in all directions, i.e., isotropic.This contrasts significantly with technologies like Fused Deposition Modeling (FDM), where Z-axis strength is typically lower than the XY plane, limiting applications in complex load-bearing structures.

Batch Production Scalability

Why Choose Us for 3D Printing?

Unlimited Options

Unlimited Options

Choose from millions of combinations of materials, surface finishes, tolerance levels, marking methods, and certifications to flexibly match your order requirements for truly customized manufacturing.

Easy to Use

Easy to Use

No need to handle procurement, project management, logistics, or shipping yourself — we handle everything, parts arrive directly at your door, letting you focus on your core business.

Quality Assurance

Quality Assurance

KH-TAT is Certified to ISO 9001:2015, ISO 13485, IATF 16949:2016, and AS9100D, ensuring every part meets strict industry standards and quality requirements.

Download the Carbon DLS™ design guide

Download the Carbon DLS™ design guide

Kh-tat Electronic

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For more information about Landun CNC Tool’s cutting tool solutions, including standard and custom carbide drills, end mills, coatings, and machining support, please feel free to contact our team.

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