Underground actual production application process, because the polyurethane grouting material existence due to the high heat storage temperature led to smoke, fire and other safety incidents happen, seriously affecting the use and promotion of the impact of the material. This work focuses on polyure

Actual production wells in the application process, the polyurethane material Note pulp temperature in the high-lead to smoke, fire, and safety-related incidents have occurred from time to time, and seriously impact the use and promotion materials. This work focuses on the polyurethane based process

In mine shaft actual production application process, because because the polyurethane note thick liquid material existence the regeneration temperature causes to belch smoke, to catch fire high and so on the security accidents to sometimes occur, seriously the influence material the use and promotes

Application in mine production process, because the polyurethane Grouting material for high thermal temperature result in smoke, fire and other accidents occur from time to seriously affect the effect of material used and promoted. This article focuses on polyurethane basis adjustments of the formul

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