Polyamide - Nylon 6 ( PA 6 ) - Material Information
Buy small quantities online of Polyamide - Nylon 6 for research and/or development
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General Description:
Common Brand names :Akulon K and F Capron Maranyl B Nylacast Orgamid Ultramid B
See also General Information under Nylon 6,6.
General Description : A semi-crystalline, white engineering thermoplastic very similar to nylon 6,6 with which it is in many respects interchangeable. Its melt viscosity is not quite as low as 6,6 so it is generally slightly easier to process and often preferred for moulding. Relative to 6,6 it has somewhat higher impact strength but somewhat lower strength and stiffness and higher water absorption (the highest of all nylons).
It can be monomer cast, commonly called just cast - ie.polymerized in a mould direct to a semi-fabricated shape. This allows the production of thick sections without voiding and gives a product with a slightly different balance of properties - a little stronger and stiffer, slightly reduced extensibility and impact strength.
Its applications are similar to those of nylon 6,6.
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Chemical Resistance
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| Acids - concentrated | Poor |
| Acids - dilute | Poor |
| Alcohols | Good |
| Alkalis | Good-Fair |
| Aromatic hydrocarbons | Good |
| Greases and Oils | Good |
| Halogenated Hydrocarbons | Good-Poor |
| Halogens | Poor |
| Ketones | Good |
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Electrical Properties
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| Dielectric constant @1MHz | 3.6 |
| Dielectric strength ( kV mm-1 ) | 25 |
| Dissipation factor @ 1kHz | 0.2 |
| Surface resistivity ( Ohm/sq ) | 5x1010 |
| Volume resistivity ( Ohmcm ) | 5x1012 |
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Mechanical Properties
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| Abrasive resistance - ASTM D1044 ( mg/1000 cycles ) | 5 |
| Coefficient of friction | 0.2-0.3 |
| Hardness - Rockwell | M82 |
| Izod impact strength ( J m-1 ) | 30-250 |
| Poisson's ratio | 0.39 |
| Tensile modulus ( GPa ) | 2.6-3.0 |
| Tensile strength ( MPa ) | 78 |
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Physical Properties
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| Density ( g cm-3 ) | 1.13 |
| Flammability | HB |
| Limiting oxygen index ( % ) | 25 |
| Radiation resistance | Fair |
| Refractive index | 1.53 |
| Resistance to Ultra-violet | Poor |
| Water absorption - equilibrium ( % ) | >8 |
| Water absorption - over 24 hours ( % ) | 2.7 |
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Thermal Properties
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| Coefficient of thermal expansion ( x10-6 K-1 ) | 95 |
| Heat-deflection temperature - 0.45MPa ( C ) | 200 |
| Heat-deflection temperature - 1.8MPa ( C ) | 80 |
| Lower working temperature ( C ) | -40 |
| Specific heat ( J K-1 kg-1 ) | 1700 |
| Thermal conductivity @23C ( W m-1 K-1 ) | 0.24-0.28 |
| Upper working temperature ( C ) | 80-160 |
Properties for Polyamide - Nylon 6 Film
| Property |
Value |
| Dielectric Constant @ 1MHz | | 2.7 |
| Dielectric Strength @25µm thick | kV mm-1 | 56 |
| Dissipation Factor @1MHz | | 0.025 |
| Elongation at Break | % | 250-550 |
| Extension to break - Longitudinal | % | 375-500 - crystalline, 60-70 - monax. |
| Extension to break - Transverse | % | 375-500 - crystalline, 400-450 - monax. |
| Heat-sealing Temperature | C | 193-232 |
| Permeability to Carbon Dioxide @25C | x10-13 cm3. cm cm-2 s-1 Pa-1 | 0.06 |
| Permeability to Nitrogen @25C | x10-13 cm3. cm cm-2 s-1 Pa-1 | 0.007 |
| Permeability to Oxygen @25C | x10-13 cm3. cm cm-2 s-1 Pa-1 | 0.03 |
| Permeability to Water @38C | x10-13 cm3. cm cm-2 s-1 Pa-1 | 700 |
| Shrinkage | % | <3 @ 150C - cryst , 8-15/1-2 @ 200C - monax. |
| Tensile strength - Longitudinal | MPa | 70-110 - crystalline, 290-320 - monax. |
| Tensile strength - Transverse | MPa | 70-110 - crystalline, 90-110 - monax. |
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