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An introduction to

Material Jetting (MJ)

Material Jetting (MJ) is a 3D printing process that works similarly to a 2D inkjet printer. However, instead of depositing ink, the printhead prints layers of liquid resin that are cured by a flashing UV light. MJ technology also uses wax supports that melt away in an oven for easy post-processing.

MJ, MJF, MJP, PJ – What’s the Difference?

Material Jetting (MJ), MultiJet Printing (MJP) and PolyJet Printing (PJP) all refer to the same 3D printing process. Material Jet Fusion (MJF) is similar, but uses a powder base solution versus resin. MultiJet Printing (MJP) is a proprietary technology from 3D Systems and PolyJet (PJ) is a proprietary technology by Stratasys.

MultiJet Printers (MJP)

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ProJet MJP 2500Plus

Step up from desktop 3D printing to 24/7 usability and get more parts sooner to design better products faster. The ProJet MJP 2500 printers' industrial print head and optimized print parameters deliver up to 3 times faster print speeds than similar class printers for better efficiency and higher productivity.
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ProJet MJP 5600

The ProJet MJP 5600 delivers ready-to-use parts at print speeds up to 2x faster than similar printers. This MultiJet 3D printing solution can quickly output a full build and offers a cleaning method that’s up to 4x faster than other processes thanks to automated post-processing. With a high capacity and over 50% larger build volume than other MultiJet Printing machines, you can print parts up to half a meter long—or several smaller parts—in a single build.
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Materials

MultiJet Printing (MJP) materials include a wide range of functional, precision plastics, elastomeric, multi-material composites, and wax, enabling a broad set of applications for concept modeling, functional prototyping, rapid tooling, investment casting, and medical applications requiring biocompatibility.

Rigid – For MJP parts that look and feel like injection-molded parts, available in a variety of colors from white, black, clear, to gray and tan.

Elastomeric – High elongation and Shore A hardness make these materials great for MJP prototypes with rubber-like functionality.

Biocompatible – USP Class VI capable and/or compatible with ISO 10993 standards.

Multi-Material Composites – Print parts in single or several base materials, or mix multiple rigid and elastomeric materials to achieve custom performance characteristics.

Wax – Get the same melt and burn-out characteristics of standard casting waxes with VisiJet 100% wax 3D printing materials.
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Applications

The evolution of FFF 3D printing is accelerating as more companies are beginning to adopt it. As the potential applications for 3D printing increase, companies are beginning to find ways to create new business models and opportunities with the technology. The following is a quick summary of current industries and applications that are using FFF 3D printers:

Industries
1. Aerospace
2. Automotive
3. Architecture
4. Art and Design
5. Consumer Goods
6. Education
7. Healthcare
8. Jewelry
9. Manufacturing
10. Sports

Applications
1. Tooling, Jigs and Fixtures
2. Patterns, Forms and Molds
3. Robot Arms and Grippers
4. Manifolds
5. Concept Prototypes / Visual Aids
6. Functional Prototypes
7. End-use Parts
8. Spare Parts
9. Concrete Formwork
10. 3D Scan to 3D Print