Table 8 Test results of main technical indexes of rubber powder.

From: Research on the properties of polymer stabilized coal gangue materials in rubber powder slag base

Inspection project

Unit

Detection results

Norm value

60 Mesh screening rate

%

92

 90

Ash

%

6

 8

Rubber hydrocarbon content

%

54

 42

Carbon black content

%

32

 28

Acetone extract

%

15

 21

Apparent density

g/cm3

1.024

/

Natural gum content

%

40.35

/