| About |
|---|
| TECHNYL® A 221 Natural is an unfilled polyamide 66, for injection moulding, with a special crystallizing agent, for fast cycles. This grade offers a good combination between primary properties of the unreinforced polyamide 66 and processing properties leading to increased productivity. These performances are associated with excellent dimensional stability and good rigidity of moulded parts.&& |
| Product Description | |
|---|---|
| Supplier | DOMO |
| Generic | PA66 |
| Material Status | Commercial: Active |
| Features | Nucleation,Quick molding cycle,Good Dimensional Stability,Good Rigidity,V-2 |
| Availabilitys | Asia Pacific,Latin America,Europe,Africa & Middle East ,North America |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.14 | g/cm³ | ISO 1183/A |
| Water absorption rate | |||
| Equilibrium, 23 ℃, 50% RH | 2.9 | % | ISO 62 |
| 23℃，24hr | 1.1 | % | ISO 62 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | |||
| 23℃ | 3500 | MPa | ISO 527-2/1A |
| tensile strength | |||
| Fracture, 23 ℃ | 90.0 | MPa | ISO 527-2/1A |
| Yield, 23 ℃ | 95.0 | MPa | ISO 527-2/1A |
| Yield, 23 ℃ | 98.0 | MPa | ASTM D638 |
| Tensile strain | |||
| Fracture, 23 ℃ | 15 | % | ASTM D638 |
| Fracture, 23 ℃ | 20 | % | ISO 527-2 |
| Bending modulus | |||
| 23℃ | 3200 | MPa | ASTM D790 |
| 23℃ | 3150 | MPa | ISO 178 |
| bending strength | |||
| 23℃ | 125 | MPa | ASTM D790 |
| 23℃ | 125 | MPa | ISO 178 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | |||
| 23℃ | 4.0 | kJ/m² | ISO 179/1eA |
| Charpy Unnotch Impact strength | |||
| 23℃ | No Break | ISO 179/1eU | |
| Impact strength of cantilever beam notch | |||
| 23℃ | 80 | J/m | ASTM D256 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed | 90.0 | ℃ | ISO 75-2/Af |
| 1.8 MPa, unannealed | 80.0 | ℃ | ASTM D648 |
| 0.45 MPa, unannealed | 200 | ℃ | ISO 75-2/Bf |
| Melting temperature | 263 | ℃ | ISO 11357-3 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Surface resistivity | 1.0E+15 | ohms | IEC 60093 |
| Volume resistivity | 1.0E+15 | ohms·cm | IEC 60093 |
| Dielectric strength | |||
| 2 mm | 27 | kV/mm | IEC 60243-1 |
| Relative permittivity | 2.90 | IEC 60250 | |
| Dissipation factor | 0.030 | IEC 60250 | |
| Compared to the leakage tracing index | IEC 60112 | ||
| Solution A | 600 | V | IEC 60112 |
| Solution B | 500 | V | IEC 60112 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | UL 94 | ||
| 0.80 mm | V-2 | UL 94 | |
| 1.60 mm | V-2 | UL 94 | |
| 3.20 mm | V-2 | UL 94 | |
| Glowing wire flammability index | |||
| 1.6 mm | 700 | ℃ | IEC 60695-2-12 |
| Extreme oxygen index | 26 | % | ISO 4589-2 |
| Process Conditions | |||
|---|---|---|---|
| Injection | Nominal value | Unit | Test method |
| drying temperature | 80 | °C | |
| Recommended maximum moisture content | 0.20 | % | |
| Temperature at the rear of the barrel | 265 to 275 | °C | |
| Temperature in the middle of the barrel | 270 to 280 | °C | |
| Front temperature of material barrel | 280 to 285 | °C | |
| Mold temperature | 60 to 80 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
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