Industrial chemicals; chemicals for the mining and hydrometallurgical industries; flocculating and coagulating agents for industry; chemical agents to assist in the crushing of ores; chemical agents that prevent the formation of mousse and the accumulation of bubbles at the surface of a liquid; rheology modifying agents, namely chemical agents to modify the viscosity of a liquid; filtering agents, namely filtering materials (chemicals); chemical agents to prevent scale deposits; leaching agents; chemical agents that control the volatility of powders in the mining industry and on building sites