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

Table 3

Experimental results of orthogonal test.

Test group	Viscosity (mPa·s)	3-d compressive strength (MPa)	Gel time (min)
1	1035	4.45	67
2	513	4.05	39
3	364	2.82	19
4	299	1.60	23
5	1484	5.02	20
6	774	4.57	88
7	566	3.25	12
8	411	2.35	38
9	2337	5.98	9
10	1339	5.17	7
11	849	3.23	119
12	569	2.48	83
13	4150	4.12	11
14	2769	4.58	27
15	1988	3.15	83
16	1299	2.05	113