Finally, selection methods of viscosityindeximprover through diesel jet nozzle and long time FZG experiments has been suggested.
提出筛选粘度指数改进剂要经过柴油喷嘴和长时间FZG测试的建议。
2
The ideal additives for industrial gear oil in cold area should be comprised of improver of viscosityindex, pour point depressant, S-P extreme pressure wear inhibitor and benzotriazole fatty amine.