The compound is generally produced from residual solvent inks, solvent and production process, commonly used solvents have methybenzene butanone, difluoroacetate, etc.

• 复合包装的溶剂残留一般产生于油墨、溶剂及生产工艺过程，常用的溶剂有甲苯、丁酮、乙酸乙酯等。