Basic Properties
CONTENTS
Basic Properties
| Items | Properties | Remarks |
| Appearance | granule or powder | |
| Color | white or yellowish | |
| Specific Gravity | 1.31 | N type |
| Specific Heat（J/kg・K） | 1.68×10³ | N type |
| Glass transition Temperature（℃） | 85 / 58 | N type / G type |
| Melting Point（℃） | 230 / 180 | N type / G type |
| Crystallinity | 0.54 | N type |
| Coefficient of Linear Thermal Expansion（℃⁻¹） | 7~12 × 10⁻⁵ | 0~45℃ |
| Refractive Index | 1.55 | N type |
References
A Willey-InterScience Publication, Encyclopedia of Polymer Science and Engineering. P1 69, vol17, 1989
