Items |
Properties |
Remarks |
| Appearance |
granule or powder |
|
| Colour |
white~slightly yellowish |
|
| Specific Gravity |
1.27~1.31 |
|
| Specific Heat |
1.68j/(g·K) |
|
| Glass Transition Temperature |
85ºc/58ºc |
N type/G type |
| Melting Point |
230ºc/180ºc |
N type/G type |
| Crystallinity |
0~0.54 |
|
| Coefficient of Linear
Thermal Expansion |
7~12×10-5ºc-¹ |
0~45ºc |
| Refractive Index |
1.55 |
|
Reference:
A Willey-InterScience Publication, Encyclopedia
of Polymer Science and Engineering. P169,vol.17.1989. |