PA66 GF15
PA66 with 15% short glass fiber — light reinforcement giving a good balance of increased stiffness and retained toughness. Less brittle than GF30/GF50 variants (El ~5% vs 3%). E-Mod ~6 GPa (vs 3 unfilled, 9.5 GF30). Trade names: Ultramid A3EG3 (BASF), Zytel 70G15 (DuPont). Used for structural clips, cable ties, fan shrouds, and housings where moderate stiffness increase is needed without sacrificing too much impact resistance.
Chemical composition comparison (wt%)
Side-by-side: PA66 GF15 (COMPOSITION) (ISO 1874) vs ASTM
| Element | PA66 GF15 (COMPOSITION) | ASTM | Overlap |
|---|---|---|---|
| PA66 base polymer | 82–87% | — | — |
| Glass Fiber (short) | 13–17% | — | — |
Mechanical properties
Dry (as molded)
| Property | Value | Unit |
|---|---|---|
| Tensile Strength | 120–140 | MPa |
| Elongation | 4–6 | % |
| Elastic Modulus | 5500–6500 | MPa |
| Density | 1.22–1.25 | g/cm3 |
Conditioned 50rh
| Property | Value | Unit |
|---|---|---|
| Tensile Strength | 85–100 | MPa |
| Elastic Modulus | 4000–5000 | MPa |
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