Item 

RSB200

RSB300

RSB350

RSY150

RSY250

RSY300

RSY350

Tensile strength MPa≥ 

5

7

11

8

10

12

15

Aging Coefficient ≥   

0.9

Density   g/cm³  g/cm3

1.6 2.0

1.6 1.8

Compressibility % 

12 ± 7

Rebound degree 

35

40

45

40

45

50

50

Pliability 

No Crack  

Stress-relaxation≤  %

45

45

45

40

40

30

30

Oil sealing  

10 MPa pressure for 30 min

12 MPa pressure for 30 min

15MPa pressure for 30 min

16 MPa pressure for 30 min

With the temperature

No leaking

No leaking

No leaking

No leaking

of 15to 30,.75aviation gasoline for 30 min           

12 Mpa

15MPa

16 MPa 

With the temperature of 150±2,dipped in No.20 aviation oil for 5h,then taken out and laid for 5min.                                       

Tensile strength-reducing % 

40

30

25

25

Thickness-increasing %≤  

520

520

518

518

Appearance change 

No bubble 

With the temperature

Tensile strength MPa ≥ 

5

6

8

10

of 15 to 30 ,dipped in No.75 aviation oil for 5h,then taken out and laid for 5min.

Thickness-increasing %   

525

525

520

520

Pliability 

No Crack