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Chemlon® 257 H
| Category: | Nylon 6 , Polyamide 6 |
| Manufacturer: | Teknor Apex Company (Chem Polymer) |
| Trademark: | Chemlon® |
| Fillers: | - |
| Ports: | Qinzhou, Shekou, Shanghai, Ningbo |
| Delivery Terms | FOB, CIF, DAP, DAT, DDP |
| PDF: | UMsA0q_Chemlon-257-H.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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Chemlon® 257 H is a Polyamide 6 (Nylon 6) material. It is available in Asia Pacific, Europe, or North America for extrusion or injection molding. Primary attribute of Chemlon® 257 H: Flame Rated. Typical application of Chemlon® 257 H: Automotive |
| General Information | |
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| Physical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Specific Gravity | 1.08 | g/cm³ | ASTM D792 |
| Melt Mass-Flow Rate (MFR) (235°C/1.0 kg) | 1.0 | g/10 min | ASTM D1238 |
| Molding Shrinkage - Flow | 1.6 to 2.0 | % | ASTM D955 |
| Water Absorption (24 hr) | 1.1 | % | ASTM D570 |
| Hardness | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Rockwell Hardness (R-Scale) | 73 | ASTM D785 |
| Mechanical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Tensile Strength | 60.0 | MPa | ASTM D638 |
| Tensile Elongation | ASTM D638 | ||
| Yield | 5.0 | % | |
| Break | 130 | % | |
| Flexural Modulus | 1860 | MPa | ASTM D790 |
| Flexural Strength | 62.1 | MPa | ASTM D790 |
| Impact | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Notched Izod Impact (23°C) | 760 | J/m | ASTM D256 |
| Thermal | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Deflection Temperature Under Load (1.8 MPa, Unannealed) | 51.7 | °C | ASTM D648 |
| Melting Temperature | 214 | °C | |
| CLTE - Flow | 8.5E-5 | cm/cm/°C | ASTM D696 |
| Electrical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Volume Resistivity | 1.0E+14 | ohms·cm | ASTM D257 |
| Dielectric Strength (3.00 mm) | 12 | kV/mm | ASTM D149 |
| Comparative Tracking Index (CTI) | 600 | V | UL 746 |
| Flammability | Nominal Value | Unit | Test Method |
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| Flame Rating (0.810 mm) | HB | UL 94 | |
| Oxygen Index | 21 | % | ASTM D2863 |
| Injection | Nominal Value | Unit | |
|---|---|---|---|
| Drying Temperature | 79.4 | °C | |
| Suggested Max Moisture | 0.20 | % | |
| Suggested Max Regrind | 25 | % | |
| Rear Temperature | 218 to 235 | °C | |
| Middle Temperature | 229 to 252 | °C | |
| Front Temperature | 241 to 260 | °C | |
| Nozzle Temperature | 241 to 260 | °C | |
| Processing (Melt) Temp | 241 to 260 | °C |
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