NO.

       Physical&Chemical Performance

Data

1

Coefficient of mean liner expansion(20ºC-300ºC)

(71.5±0.5) X 10^-7k^-1

2

Transformation temperature

550±15ºC

3

Softening point

750±10ºC

4

Working point

1110±20ºC

5

Density at 20ºC

2.45±0.02g/cm³

6

Hydrolytic resistance at 98ºC         ISO719-HGB 1

Hydrolytic resistance at 121ºC         ISO720-HGB 1

First class

7

Acid resistance

First class

8

Alkali resistance

Second class