筛网尺寸(mm)

26.5

19.0

16.0

13.2

9.5

4.75

2.36

1.18

0.6

0.3

0.15

0.075

抽提前

100

93.4

79.5

60.7

16.1

1.6

0.3

0.2

0.2

0.2

0.2

0

抽提后

100

99.0

92.1

80.9

48.3

24.4

17.5

13.7

10.2

7.3

4.1

1.5

沥青含量为3.37%,油石比为3.49%