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。
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。
Fewer faults may occur with solvent and then thermal degreasing than degreasing thermally only.
经溶剂脱脂再进行热脱脂产生的缺陷比直接热脱脂产生的缺陷要少得多。
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