Environmentally friendly neutral rust remover formulation process
The main purpose of pickling (rust removal) is to remove the oxide and other impurities on the surface of the wire in order to facilitate subsequent passivation or other skin films. At present, hydrochloric acid is the most commonly used in the market. Hydrochloric acid has high cleaning efficiency and low use cost, but hydrochloric acid is volatile and causes great environmental pollution. With the increasingly serious environmental problems, many enterprises are facing great pressure to protect the environment. Especially in the metal surface treatment industry, the traditional pickling is also faced with the limited recovery of waste hydrochloric acid, the rising cost of wastewater treatment, the recycling treatment of wastewater and the limitation of discharge. Effective replacement of hydrochloric acid pickling of new products is the current urgent demand, of which the most concerned is neutral environmental protection rust removals.
First, the main ingredients
The environmentally friendly neutral rust remover developed by our company is a brand new steel rust remover product, which is composed of chelating agent, activator, accelerator, rust inhibitor, deionized water, etc. Does not contain nitric acid, phosphoric acid, hydrochloric acid, sulfuric acid and other conventional inorganic acids.
Ii. Use
Used for steel workpiece, iron workpiece, carbon steel, cast iron and other metal parts surface rust, mild rust scale, oxides, fingerprints, sweat and inorganic salts, can also be used for metal surface treatment of pre-treatment rust removal, equipment rust cleaning; It can completely replace the traditional pickling rust removal process.
