BASF · Ultramid B3EG6
Polyamide 6 with 30 percent glass fibre – the standard for load-bearing plastic parts. Roughly twice as stiff as unfilled PA6, but distinctly more brittle. One of the most widely used engineering plastics there is.
Rated 1 to 5 relative to the other materials in our range. This is an experience-based orientation aid, not a measured value – the hard numbers are in the table below.
| Property | Value | Source |
|---|---|---|
| Material class | Polyamide 6 (PA6) | grade designation |
| Reinforcement | 30 % glass fibre | grade designation |
| Density (ISO 1183) | 1.36 g/cm³ | BASF PI 02/2026 |
| Tensile strength (ISO 527) | 185 MPa dry / 115 MPa conditioned | BASF PI 02/2026 |
| Tensile modulus (ISO 527) | 9,500 MPa dry / 6,200 MPa conditioned | BASF PI 02/2026 |
| Elongation at break (ISO 527) | 3.5 % dry / 8 % conditioned | BASF PI 02/2026 |
| Flexural modulus (ISO 178) | 8,600 MPa dry / 5,000 MPa conditioned | BASF PI 02/2026 |
| Charpy notched, 23 °C (ISO 179/1eA) | 15 kJ/m² dry / 30 kJ/m² conditioned | BASF PI 02/2026 |
| HDT A, 1.8 MPa (ISO 75) | 210 °C | BASF PI 02/2026 |
| HDT B, 0.45 MPa (ISO 75) | 220 °C | BASF PI 02/2026 |
| Melting temperature (ISO 11357) | 220 °C | BASF PI 02/2026 |
| Max. service temperature (short term) | 200 °C | BASF PI 02/2026 |
| Fire behaviour (UL 94) | HB at 1.57 mm | BASF PI 02/2026 |
| Water absorption, saturation | 6.3 – 6.9 % | BASF PI 02/2026 |
These values are taken from the manufacturer datasheet and apply to the material, not to the printed part. In 3D printing the achievable properties depend on part orientation, layer height and process parameters – in the Z direction in particular they are lower. Please talk to us before relying on them for design.
“Qualified for functional parts” is a general classification. A functional part can be a simple clip or a main load-bearing member – the forces and load cases differ fundamentally. We therefore always assess in each individual case whether a material is suitable for your part.
Source: BASF SE, Product Information Ultramid® B3EG6 · 02/2026
Produced on: Bosch pellet printer — More about this machine
We are happy to advise on material selection and to review your part for manufacturability.
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