序号

样品名称

d0/mm

df/mm

压缩永久变形量/%

1

SJ-2

20.4

17.3

15.3

20.6

17.3

15.9

2

S-03

20.3

18.4

9.5

20.1

18.3

9.1

3

PI-100

20.1

18.4

8.4

20.3

18.7

8.1

4

PI-220-2

20.6

15.3

25.5

20.5

15.3

25.3

5

SJ-116

20.4

15.7

23.1

20.6

15.8

23.5

6

YS-20

20.1

13.8

31.2

20.2

13.8

31.7