Selective Laser Sintering (SLS) is a 3D printing method that builds parts by fusing powdered materials with a high-powered laser. This process sinters the powder layer by layer, resulting in solid objects that support intricate designs and durable components. SLS is commonly used for creating functional prototypes and production parts in industries like aerospace, automotive, and consumer goods, providing versatility and strong mechanical properties without requiring support structures.
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SLS MATERIAL OPTIONS

1172Pro (PA12)
1172Pro 3D printing material is a high-performance industrial nylon, characterized by high strength, heat resistance, and excellent comprehensive performance. It is suitable for selective laser sintering (SLS) process and can achieve high-precision printing, especially suitable for manufacturing structural parts, functional shells, and complex assemblies. It can be further improved in surface smoothness and performance through post-treatment such as chemical steam polishing and painting.  
Applications
※ Structural parts
※ Functional shells
※ Complex assembilies
※ Cultural and creative products
1172Pro GF30 (PA12+GF30)
 1172Pro GF30 is a high-performance 3D printing material reinforced with 30% glass microbeads, offering enhanced mechanical strength, excellent heat resistance, and dimensional stability. It's versatile for automotive, aerospace, and industrial applications, and compatible with post-processing for improved aesthetics and functionality.
Applications
※ Structural parts
※ Functional shells
※ Complex assembilies
※ Cultural and creative products
TPU 88A
TPU 88A, also known as Thermoplastic Polyurethane 88A, is a highly versatile material renowned for its exceptional physical properties and processing capabilities. This grade of TPU features a Shore A hardness of 88, making it suitable for a wide range of applications requiring a balance of elasticity, strength, and wear resistance.
Applications
※ Gaskets
※ Soft protective gear
※ Shock-absorbing cushioning 
SLS MATERIAL OPTIONS
☑ Versatile Material Use: It accommodates a wide range of materials, allowing precise material selection for specific needs.
☑ Robust Mechanical Properties: Produces parts with high strength, stiffness, and impact resistance, suitable for demanding applications.
☑ Complex Geometry Capabilities: Enables the creation of intricate designs and internal structures not easily achievable through traditional methods.
☑ Cost-Effective for Low-Medium Volumes: Provides an economical alternative for small to medium production runs, reducing tooling and setup costs.
☑ Sustainable Practices: Minimizes waste and often allows for material reuse, aligning with global sustainability goals.
☑ Seamless Prototyping to Production: Facilitates rapid prototyping and a smooth transition to full-scale production.
☑ Precision and Accuracy: Achieves tight tolerances and smooth finishes, essential for high-precision applications.
☑ Rough Surface Finish: Requires post-processing for smoothing.
☑ Limited Material Range: Fewer material options compared to other technologies.
☑ Complex Post-Processing: Messy and time-consuming removal of loose powder.
☑ High Costs: Expensive equipment and materials.
☑ Long Processing Times: Slower for larger or intricate parts.
☑ Health & Safety Risks: Demands proper ventilation and dust control.
☑ Dimensional Shrinkage: Challenges in achieving tight tolerances.

SLS 3D Printing Process Video

JITMGF has created a video that outlines the general workflow for cleaning SLS (Selective Laser Sintering) 3D prints after they have been removed from the printer. While it isn't possible to describe every aspect of the video in detail, we can offer a clear and concise summary of the typical post-processing steps involved in SLS 3D printing. This overview highlights the critical stages featured in the JITMGF video, underscoring their importance in maintaining the quality and structural integrity of the 3D printed parts.
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SLS 3D Printing Process Video

1. What is SLS 3D printing, and what equipment does JITMFG use for SLS?

SLS (Selective Laser Sintering) is a widely used industrial 3D printing technology that sinters polymer powder layer by layer using a high-power laser.
JITMFG uses professional TPM3D SLS equipment to ensure stable, high-quality printing for industrial parts.

2.What is the maximum build size for JITMFG’s SLS service?

 The maximum forming size for our SLS process is 500*500*800 mm, capable of producing large-volume components and batch production efficiently.

3.What accuracy does JITMFG’s SLS process provide?

The dimensional accuracy of our SLS process is ±0.2%mm, which is stable and reliable for functional testing, assembly verification, and small-batch end-use parts.

4. What materials are available for SLS at JITMFG?

We provide professional-grade SLS materials:
  • 1172Pro: Standard nylon material with balanced mechanical properties, toughness, and durability
  • 1176Pro+GF30: Glass fiber reinforced material with high rigidity, high strength, and excellent thermal stability
    These materials are widely used for high-performance functional components.

5. What industries and parts are suitable for SLS?

SLS is widely used in automotive, robotics, aerospace, medical devices, machinery, and general industry, including:
  • Structural components, brackets, and housings
  • Functional prototypes and assembly test parts
  • Small-batch end-use parts and replacement parts
  • Complex structures with internal channels or cavities

6.Can SLS parts be post-processed?

Yes. SLS parts are highly compatible with post-processing.
Common treatments include:
  • Chemical vapor smoothing (especially suitable for SLS)
  • Dyeing
  • Painting
  • Laser engraving
    Suitable processes are recommended based on part structure and application requirements.

7.What is the typical lead time for SLS parts?

Standard lead time:
  • Small & simple parts: 3–5 days
  • Medium-complexity & medium-batch parts: 5–7 days
    We can adjust schedules for urgent projects.

8.How does SLS compare with other 3D printing methods?

SLS stands out for its ability to create complex parts without the need for support structures and for using durable materials. However, it can be more expensive than other methods like FDM, and post-processing is often required to achieve the desired surface quality. 

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