The First Step (Degreasing) of the procedure is designed to remove dirt, dust, oil and grease. A water-soluble detergent is used to accomplish this, or a solvent.
第一步（去油）：去除污垢、灰尘、油和脂。使用水溶性去污剂或溶剂来完成该步骤。
2
As diluent in paints and varnishes industries; solvent for metal cleaning and degreasing; textile printing solvent and dry cleaning solvents.
作为油漆及清漆制造用之稀释溶剂；金属清洗及脱脂用之溶剂；纺织印花用溶剂及可作衣物干洗用溶剂。
3
Fewer faults may occur with solvent and then thermal degreasing than degreasing thermally only.