Temperature range

Weight loss (%) of clay materials

Kao

Na-MMT

F13

F23

20˚C - 200˚C

4.90

3.58

4.90

4.54

200˚C - 600˚C

5.02

1.85

6.36

6.84

600˚C - 800˚C

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Total

9.92

5.43

11.26

11.38