3D Printing Service with material PA 12-SLS Technical Specifications
May 20, 2020
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3D Printing Service with material PA 12-SLS Technical Specifications
Being a solid material, polyamide powder has the attractive feature of being self-supporting for the generated product sections. This makes support structure redundant. Polyamide allows the production of fully functional prototypes or end-use parts with high mechanical and thermal resistance. Polyamide parts have excellent long-term stability and are resistant against most chemicals. They can be made watertight by impregnation. The PA material used by Materialise is certified as biocompatible and food-safe under certain conditions.
Technical Specifications
| Standard lead time | Minimum of 4 working days, depending on part size, number of components and finishing degrees (offline orders) 5 working days (online orders) 2 working days (Fast lane orders) |
| Standard accuracy | ±0.3% (with lower limit on ±0.3 mm) |
| Layer thickness | 0.12 mm |
| Minimum wall thickness | 1 mm, but living hinges are possible at 0.3 mm |
| Minimum detail | 0.3 mm |
| Minimum clearance | 0.6 mm between parts that need to be assembled 0.5 – 0.6 mm between shells of an interlocking part |
| Maximum part dimensions | 650 x 330 x 560 mm (online & offline orders) 200 x 100 x 100 mm (Fast lane orders) |
| Interlocking or enclosed parts? | Yes |
| Surface structure | Unfinished parts typically have a grainy surface but all kinds of fine finishes are possible. PA 12 parts can be sandblasted, colored/impregnated, painted, covered and coated. |
Datasheet
| MEASUREMENT | VALUE | STANDARD |
|---|---|---|
| Density | 0.95 ±0.03 g/cm³ | |
| Tensile Strength | 48 ±3 MPa | DIN EN ISO527 |
| Tensile Modulus | 1650 MPa | DIN EN ISO527 |
| Flexural Strength | 41 MPa | D790 |
| Elongation at Break | 20 ±5% | DIN EN ISO527 |
| Flexural Modulus | 1500 N/mm² | DIN EN ISO178 |
| Charpy – Impact strength | 53 ±3.8 kJ/m² | DIN EN ISO179 |
| Charpy – Notched Impact Strength | 4.8 ±0.3 kJ/m² | DIN EN ISO179 |
| Izod - Notched Impact Strength | 4.4 ±0.4 kJ/m² | DIN EN ISO180 |
| Ball Indentation Hardness | 77.6 ±2 | DIN EN ISO2039 |
| Shore D/A-hardness | D75 ±2 | DIN 53505 |
| Heat Deflection Temperature | 86°C | ASTM D648 @ 1.82MPa |
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