Deep oil leakage acid stripping agent before Zn and Fe alloy sheet material workpiece spray cleaning

The invention discloses a deep oil leakage acid stripping agent before Zn and Fe alloy sheet material workpiece spray cleaning, the deep oil leakage acid stripping agent comprises the following raw materials: by mass, 4-8% of phosphoric acid with a concentration of 85%, 1-2% of citric acid, 1-2% of potassium sodium tartrate, 1-3% of sodium dihydrogen phosphate, 0.1-1.5% of ethylene glycol monobutyl ether, 0.1-0.6% of a soaking degreasing oil cleaning special surfactant, 0.1-0.6% of a carbon deposition removing surfactant, 0.1-0.6% of a wax solvent special surfactant, 0.5-1% of penetrating agent JFC and the balance of water. Before spray cleaning, the deep oil leakage acid stripping agent is in advance sprayed on to workpiece surface by an artificial plastic pressure watering can, after 10-20min of placing, a workpiece is hung onto a pretreatment automatic spray line, then deep oil leakage on a Zn and Fe alloy sheet material workpiece can be quickly and completely stripped to meet the technical requirements of