One-component water plugging grout YK-511

Yiborun one-component grout material YK-511 has the characteristics of high water inclusion rate, long water retention time and high strength.

Polyurethane material for water plugging in coal mine YK-521 (two-component)

YK-521 is a double-liquid grouting material, which can penetrate into the deep microscopic fractures of the rock formation, and can effectively strengthen the broken surrounding rock and coal seam in the watery environment.

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