Preparation and Sealing Performance of a New Coal Dust Polymer Composite Sealing Material

Table 4

Range analysis of the influencing factors of viscosity.

Level	Coal-dust content (%) (A)	Water-material ratio (B)	Cross-linking agent content (%) (C)
1	552.75	2251.50	989.25
2	808.75	1348.75	1138.50
3	1237.50	941.75	1470.25
4	2551.50	644.50	1588.50
Range	1998.75	1607.00	599.25