Under optimum processing condition, we obtain a 10th grade in water proofing and a 7th in oilproofing rate.
在最佳工艺条件下，拒水等级可达到10级，拒油等级可达到7级。
2
The classification, performance mechanism and synthesis of the fluoro-contained oil-proofing agents are introduced, in addition to the study and application of oil-proofing agents from home and broad.