Are metal oil cleaning agents dangerous goods?
As a solvent widely used in oil degreasing, metal oil cleaning agent has long become a key process before phosphating, spraying, electroplating and painting of metal parts. The quality of the oil removal effect will directly affect the subsequent processing, and ultimately affect the yield of the product, so the work of oil removal and degreasing is very critical.
At present, the widely used oil removal methods are emulsification method based on surfactants. In the process of oil removal, the surfactants reduce the surface tension of the oil-water interface, so that the oil adhesion on the metal surface is weakened and separated from the metal surface, solubilizing or floating in the working liquid. Since the surface dirt of metal parts is mainly grease, the cleaning agent composition is mainly organic compounds, and this cleaning agent is also known as solvent-based cleaning agent. Because of this, kerosene and gasoline are also widely used in the industrial cleaning industry, leading many people to believe that solvent-based cleaning agents are dangerous goods. In fact, this is clearly a misconception.
According to the provisions of the Classification and Marking of Commonly Used Hazardous Chemicals GB13690-1992, flammable liquids refer to liquid mixtures or liquids containing solid substances, but do not include liquids whose hazardous properties have been included in other categories, and whose experimental flash point is equal to or lower than 61 ° C. Taking metal oil cleaning agent as an example, at normal temperature, the flash point is between 61 ° C and 72 ° C, which is not dangerous goods.
Whether metal oil cleaning agents are dangerous goods depends on the following standards
1. It does not have volatile characteristics and the flash point is lower than 61℃.
Second, do not cause corrosion of metal materials (copper, iron, aluminum,).
Three, easy storage
It is worth noting that the metal oil cleaning agent is still a chemical product, and it is also necessary to avoid pollution to the environment and ensure the safety of transportation and storage.
