The composition, consisting of hard and soft polishing agent, densifier, abrading agent and solvent, of a polishing wax for cars was analyzed by infraed spectra.

• 采用红外光谱法分析一种汽车上光蜡组成分,包括硬蜡和软蜡上光剂、增稠剂、研磨剂和溶剂。