EMS-Grivory Grilon® A 28 Nylon 6, Dry As Molded
Subcategory: Nylon; Nylon 6; Polymer; Thermoplastic
Material Notes:
Grilon A 28 is an unreinforced, standard PA6 injection molding grade with normal melt viscosity. Grilon A 28 has wide variety of applications in all market sectors, automotive, electrical, leisure and sport, e. g. clips, covers, housings. Information provided by EMS-Grivory
| Physical Properties | Original Value | Comments |
|
| Density | 1.14 g/cc | ISO 1183 |
| Water Absorption | 3 % | 23°C / 50% RH; ISO 62 |
| Water Absorption at Saturation | 9 % | ISO 62 |
| Linear Mold Shrinkage | 0.008 cm/cm | ISO 294 |
| Linear Mold Shrinkage, Transverse | 0.0095 cm/cm | ISO 294 |
Mechanical Properties |
|
| Hardness, Shore D | 140 | ISO 868 |
| Tensile Strength at Break | 70 MPa | 50 mm/min; ISO 527 |
| Elongation at Break | 5 % | 50 mm/min; ISO 527 |
| Tensile Modulus | 3.3 GPa | 1 mm/min; ISO 527 |
| Charpy Impact Unnotched | Min 10 J/cm² | ISO 179/1eU |
| Charpy Impact, Notched, Low Temp | 0.4 J/cm² | -30°C; ISO 179/1eA |
| Charpy Impact, Unnotched Low Temp | Min 10 J/cm² | -30°C; ISO 179/1eU |
| Charpy Impact, Notched | 0.4 J/cm² | ISO 179/1eA |
Electrical Properties |
|
| Volume Resistivity | 1e+014 ohm-cm | IEC 60093 |
| Dielectric Strength | 30 kV/mm | IEC 60243-1 |
Thermal Properties |
|
| CTE, linear 20°C | 100 µm/m-°C | trans. (23-55°C); ISO 11359 |
| CTE, linear 20°C | 70 µm/m-°C | long. (23-55°C); ISO 11359 |
| Melting Point | 222 °C | ISO 11357 |
| Maximum Service Temperature, Air | 70 - 90 °C | Long Term; ISO 2578 |
| Maximum Service Temperature, Air | 160 °C | Short Term; ISO 2578 |
| Deflection Temperature at 0.46 MPa (66 psi) | 170 °C | ISO 75 |
| Deflection Temperature at 1.8 MPa (264 psi) | 55 °C | ISO 75 |
| Flammability, UL94 | HB | 0.8 mm; ISO 1210 |
Processing Properties |
|
| Processing Temperature | 80 °C | Tool |
| Rear Barrel Temperature | 260 °C | Zone 3 |
| Middle Barrel Temperature | 255 °C | Zone 2 |
| Front Barrel Temperature | 250 °C | Zone 1 |
| Nozzle Temperature | 260 °C | |
| Melt Temperature | 240 - 300 °C | Basic machine settings |
| Drying Temperature | Max 80 °C | Desiccant Dryer (dew point at -25°F) |
| Drying Temperature | Max 100 °C | Vacuum Oven |
| Dry Time | 4 - 12 hour | Desiccant Dryer (dew point at -25°F) |
| Dry Time | 4 - 12 hour | Vacuum Oven |
| Hold Pressure | 30 - 80 MPa | |
| Back Pressure | 0.5 - 1.5 MPa | |
| Screw Speed | 50 - 100 rpm | |
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