Small grease dirt and powder use a mild detergent or solventcleaning, then rinse and dry; or scrub with a damp cloth to completely remove all stains.
细小油脂污物及粉未使用中性清洁剂或溶剂清洗，再用清水洗净，干燥；或用湿布擦洗，以彻底清除所有污迹。
2
Oil, grease and other contaminants shall be removed from the steel and adjacent polyethylene surfaces by solventcleaning in accordance with SSPC SP1 prior to abrasive blast cleaning.
Oils, greases, fats products and others oily contaminants shall be totally removed by means solventcleaning or by means of an industrial biodegradable detergent, followed by water rinsing.