Rock wool purification board refers to a purification board with rock wool as the core material, which is divided into mechanical rock wool purification board and manual rock wool purification board, manual single glass magnesium rock wool purification board, manual double glass magnesium purification board, etc. Adopting high-quality hydrophobic rock wool with a hydrophobicity rate of ≥ 98%, it can meet the needs of most purification usage scenarios.