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

Table 7

Experimental results of the three kinds of materials.

Test group	Viscosity (mPa·s)	3-d compressive strength (MPa)	Gel time (min)
A1B4C1	234	1.32	86
A3B2C3	1201	5.33	23
A2B2C2	781	4.71	47