PA 620-MF Mineral-Filled SLS 3D Printing
PA 620-MF Nylon 12
Our SLS Mineral-filled Material
Engineered for high-performance selective laser sintering, Nylon 12 PA 620-MF mineral-filled thermoplastic powder delivers extreme stiffness and superior heat resistance up to 179°C without making your 3D printer throw a complete tantrum. Packing a 25% mineral fiber reinforcement into a highly recyclable formula, this drop-in material produces rigid, dimensional-stable parts with exceptional surface finish detail that outshine flimsy unfilled plastics. It turns complex CAD designs into lightweight structural components, durable housings, and high-temp automotive ducting, giving engineers a cost-effective, easy-to-process alternative to fiber-filled nylons when standard materials wilt under pressure.
PA 620-MF Features
- White
- Strong and durable – lighter when compared to glass-filled materials
- Good dimensional stability without the brittleness of carbon fiber
- Greater mechanical stability than unfilled materials
- Thermal Resistance
- High-detail surface finish
Mechanical Properties
| Imperial | Metric | Test Standard | |
|---|---|---|---|
| Ultimate Tensile Strength XY Orientation Z Orientation |
7,350 psi 4,900 psi |
51 MPa 34 MPa |
ASTM D638 |
| Tensile Modulus XY Orientation Z Orientation |
831,000 psi 434,000 psi |
5,725 MPa 3,000 MPa |
ASTM D638 |
| Flexural Modulus XY Orientation Z Orientation |
660,000 psi 381,000 psi |
4,550 MPa 2,825 MPa |
ASTM D638 |
| Elongation at Break XY Orientation Z Orientation |
5% 3% |
5% 3% |
ASTM D638 |
Thermal Properties
| Imperial | Metric | Test Standard | |
|---|---|---|---|
| Heat Deflection Temperature | 355°F at 264 psi | 179°C at 1.82 MPa | ASTM D648 |
| Heat Deflection Temperature | 363°F at 66 psi | 184°C at 0.45 MPa | ASTM D648 |
Other Properties
| Imperial | Metric | Test Standard | |
|---|---|---|---|
| Bulk Density | 0.266 oz/in3 | 0.46 g/cm3 | ASTM D1895 |
| Sintered Part Density | 0.694 oz/in3 | 1.20 g/cm3 | ASTM D792 |
| Particle Size (D50) | 0.002 inches | 55 microns | Laser Diffraction |
| Particle Size Range (D510-D90) |
0.001 - 0.004 inches |
30 - 100 microns |
Laser Diffraction |
Choosing Your 3D Printing Champion
Picking the right material shouldn't feel like a chemistry quiz, so let's break down the two heavyweights of SLS printing. If you need parts that bend but refuse to break, meet Nylon 11. Born from castor oil—yes, you get green bragging rights—this eco-friendly powerhouse offers incredible impact resistance, making it your go-to for living hinges and high-pressure environments. On the flip side, Nylon 12 is the reliable industry baseline synthesized from petrochemicals. It trades flexibility for rigidity, delivering rock-solid dimensional stability that makes it perfect for complex housings, rugged enclosures, and economical production runs.
NW Rapid SLS Materials
- STOCK Nylon 12:
- PA 2201 Standard
- PA 615-GS Glass-filled
- NON-STOCK Nylon 12:
- PA 2200 Ultra-white
- PA 603-CF Carbon Fiber-filled
- PA 606-FR Fire Retardant
- PA 620-MF Mineral Fiber-filled
- PA 640-GSL Hollow Glass & Carbon Fiber-filled
- Alumide® Metallic Aluminum-filled
- NON-STOCK Nylon 11:
- PA 840-GSL Hollow Glass & Carbon Fiber-filled
- PA 850 Black
- SLS Materials Data Sheet
- SLS Basic Printing Guide
Need Assistance?
Industrial SLS 3D Printing Materials & Additive Manufacturing
Discover high-performance Selective Laser Sintering (SLS) materials engineered for industrial prototyping and production. From stock Nylon 12 (PA 2201) to specialized glass-filled and fire-retardant polyamides, our materials deliver the dimensional stability, structural durability, and precision your engineering projects demand.
NW Rapid Materials List (PDF).
For more information, please don't hesitate to contact our team or request an SLS 3D printing quote and upload your CAD files today!
Get A Quote