... ISO,COA,MSDS 4.Supply Free sample 1.Brown liquid washing oil,wash oil with high purity used to absorb benzene 1).China ... distilling acenaphthylene, biphenyl, cymene benzene, methyl naphthalene, diphenylenemethane, indole and etc. It is also the cleansing agent of industrial equipment ... . We suppliers for wash oil. The wash oil from our production has a high purity and stable and good quality, it is ...