SFM series are special collectors for flotation of molybdenum ores and molybdenum polymetallic ores with excellent low-temperature fluidi- ty. Compared with traditional kerosene and diesel, they have stronger collecting performance, effectively improving molybdenum concentrate grade and recovery rate by 2%-5% higher than conventional collectors. Its residues in recycled water are biodegradable, eco-friendly and suit- able for green mine production.