| Type | MC Nylon | PEEK | POM-C POM-C Bk |
POLYKETONE | HDPE | PP | ||
|---|---|---|---|---|---|---|---|---|
| Title | Unit | |||||||
| Specific gravity | g/㎠ | 1.15~1.17 | 1.30~1.32 | 1.40~1.42 | 1.22 | 0.94~0.97 | 0.90~0.92 | |
| Tensile strength | MPa(㎏f/㎠) | > 70 | > 95 | > 60 | 43 | >20 | >25 | |
| Tensile elongation | % | 20~70 | 10~30 | 15~40 | 300 | > 300 | > 100 | |
| Tensile elastic elongation | MPa(103㎏f/㎠) | 2942~3432 | - | 2680~3100 | 950 | 800~1100 | 1000~1300 | |
| Compression strength | Breaking point | MPa(㎏f/㎠) | > 92 | - | - | 124 | - | - |
| 5% Variation | MPa(㎏f/㎠) | > 85 | > 110 | > 65 | - | > 15 | > 20 | |
| Bending strength | MPa(㎏f/㎠) | > 90 | > 150 | > 80 | 40 | > 20 | > 30 | |
| Bending elastic elongation | MPa(103㎏f/㎠) | 2942~3530 | 3820~4220 | 2450~2750 | 900 | - | - | |
| IZOD Notched lzod impact strength | J/m(㎏f·㎝/2.54㎝) | > 20 | > 40 | > 40 | 120 | > 50 | > 30 | |
| Rockwell strength | R-Scale | 110~125 | 115~135 | 115~130 | 105 | 40~80 | 70~110 | |
| Shore strength | D type | 80~86 | 95~115 | 70~90 | 71 | 50~70 | 60~80 | |
| Melting point | ℃ | 220~223 | 335~345 | 160~170 | 200 | 115~125 | 115~125 | |
| Heat deflection temp | 0.445MPa (4.6㎏f/㎠) | ℃ | 200~215 | - | 153~163 | 155 | 60~70 | 100~110 |
| 1.820MPa (18.6㎏f/㎠) | ℃ | 160~200 | > 145 | 105~115 | 75 | 42~52 | 75~85 | |
| Corefficient of Linearthermal expansion | ×105/℃ | < 9 | < 5 | < 9 | < 10 | < 15 | < 15 | |
| Absorpatance | % | < 7.0 | < 0.5 | < 0.7 | < 2.2 | < 0.1 | < 0.1 | |
| % | < 1.0 | < 0.15 | < 0.5 | 0.5 | < 0.1 | < 0.1 | ||
| Volume resistivity | Ω·m(Ω·m) | > 1.0×10 13 | > 1.0×10 14 | > 1.0×10 14 | > 1.0×10 14 | > 1.0×10 14 | > 1.0×10 14 | |
| Insulation breaking voltage Dielectrical constant 106Hz Dielectrical tangent ㎐ |
㎸/㎜ - - |
17~25 3.6~6.6 0.012~0.14 |
19~24 3.6~6.3 0.001~0.003 |
>19 3.7~6.7 0.001~0.003 |
18 6.2 0.008 |
>40 - - |
- - - |
|
| Commbustibility | - | HB | V-0 | HB | HB | HB | HB | |
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