Coefficient,of mean linear themal expansion(20℃/300℃)
|
3.3±0.1 ( 10-6K-1 )
|
Softening point
|
820±10℃
|
Melting point
|
1260±20℃
|
Transformation temperature
|
525±15℃
|
Hydrolytic resistance at 98℃
|
ISO719-HGB1
|
Hydrolytic resistance at 121℃
|
ISO720-HGA1
|
Acid resistance class
|
ISO1776-1
|
Alkali resistance class
|
ISO695-A2
|