The ideal additives for industrial gear oil in cold area should be comprised of improver of viscosity index, pour point depressant, S-P extreme pressure wear inhibitor and benzo-triazole fatty amine.

• 寒区工业齿轮油理想添加剂应由粘度指数改进剂、降凝剂、S-P型极压抗磨剂、酚型抗氧剂及苯三唑脂肪胺盐等组成。