|
|
 |
Basic
Properties |
|
|
|
Basic Properties
of PVA
Item |
Properties |
Appearance |
granule of power |
Color |
white-slightly yellowish |
Speclfic gravlty |
1.27-1.31 |
Speclfic Heat |
1.68J(g k) |
Glass transition |
85 /58 |
Melting point |
230 /180 |
Crystallinity |
0-0.54 |
Coefficent of linear thermal
expansion |
7-12x10-5 -1 |
Refractive index |
1.55 |
|
|