Basic Properties
Compared with other polymers, Nylon-MXD6 shows greater mechanical strength and elastic modulus. The properties of Nylon-MXD6 are contrasted with those of other polymers in Tables 1 and 2. Table 1 shows properties of injection-molded products and Table 2 shows Nylon-MXD6's properties as a biaxial-oriented drawn film.
Table 1: Properties of Injection Molded Products of Nylon-MXD6
| Property | Measuring Method ASTM |
Unit | Nylon- MXD6 |
Nylon 66 |
Nylon 6 |
PET |
|---|---|---|---|---|---|---|
| Specific Gravity | D792 | 1.22 | 1.14 | 1.14 | 1.38 | |
| Water Absorption (Water Immersion Equilibrium/20℃) |
D570 | % | 5.8 | 9.9 | 11.5 | |
| Water Absorption (65%RH Equilibrium) |
D570 | % | 3.1 | 5.7 | 6.5 | |
| Deflection Temperature under Load | D648 | ℃ | 96 | 75 | 65 | 85 |
| Glass Transition Point |
DSC | ℃ | 85 | 50 | 48 | 77 |
| Melting Point | DSC | ℃ | 237 | 260 | 220 | 255 |
| Coefficient of Thermal Expansion |
D696 | cm/cm℃ | 5.1×10-5 | 10×10-5 | 8×10-5 | 7×10-5 |
| Tensile Strength | D638 | MPa kgf/cm2 |
99 1,010 |
77 780 |
62 630 |
79 800 |
| Tensile Elongation | D638 | % | 2.3 | 60 | 200 | 5.8 |
| Tensile Modulus | D638 | GPa kgf/cm2 |
4.7 48×103 |
3.1 32×103 |
2.6 26×103 |
3.0 31×103 |
| Bending Strength | D790 | MPa kgf/cm2 |
160 1,600 |
130 1,300 |
120 1,250 |
120 1,250 |
| Bending Modulus | D790 | GPa kgf/cm2 |
4.4 45×103 |
2.9 30×103 |
2.4 24×103 |
3.4 35×103 |
| Izod Impact Strength (Notched) |
D256 | J/m kgf・cm/ cm |
20 2 |
39 4 |
59 6 |
39 4 |
| Rockwell Hardness |
D785 | M Scale | 108 | 89 | 85 | 106 |
Table 2: Properties of Biaxial-Oriented Film of Nylon NXD6
| Property | Measuring Method | Unit | Nylon-MXD6 | Nylon 6 | PET | |
|---|---|---|---|---|---|---|
| Thickness | µm | 15 | 15 | 15 | ||
| Specific Gravity | 1.22 | 1.14 | 1.38 | |||
| Haze | ISO 14782 | % | 3.1 | 2.0 | 2.5 | |
| Tensile Strength |
MD | ISO 527-3 | MPa（kgf/mm2） | 220（22） | 200（20） | 160（16） |
| TD | 220（22） | 220（22） | 190（19） | |||
| Tensile Elongation |
MD | ISO 527-3 | % | 75 | 90 | 140 |
| TD | 76 | 90 | 60 | |||
| Tensile Modulus |
MD | ISO 527-3 | GPa（kgf/mm2） | 3.8（385） | 1.7（170） | 3.4（350） |
| TD | 3.8（390） | 1.5（150） | 3.9（400） | |||
| Impact Strength | ASTM D3420 | J（kgf・cm） | 0.5（5） | 1.0（10） | 0.4（4） | |
| Water Vapor Permeability |
JIS- Z0208（B） |
g/m2・24h | 41 | 260 | 40 | |
NYLON-MXD6 films : stretch ratio of NYLON-MXD6:4×4
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