برچسب: Used Oil Re-refining

  • Used Oil Re-refining

    Used Oil Re-refining During its use, the lubricating oil undergoes chemical-physical transformations that make it no more suitable to perform the functions it was originally intended for and they require its replacement. Lubricating oil with greater amounts of such contaminants as organic oxidation products, aging materials, soot, wear debris and other dirt may not any…