Aluminium zinc plate application electromechanical computer chassis, communication equipment, electrical boxes, electrical cabinets; electrical appliances washing machine, oven, refrigerator, dehumidifier, video recorders, water heaters and other building materials; floor slab, ceiling, balcony, roof, wall, partition, warehouse;
1. substrate: galvanized base plate, with the corresponding specifications of hot rolled coil, through pickling, rolling, annealing, flattening, processing into cold rolled coil.
2., cleaning: before plating, the surface of alkali washing and pickling, so that the steel strip surface clean.
3.: electroplating thickness difference electro galvanized or zinc nickel alloy on the surface of the strip, single or wash.
According to different uses, after plating, phosphating, passivation, oiling and fingerprint resistance, self lubrication and fingerprint treatment can be carried out respectively.
Varieties: galvanized steel sheet surface treatment can be roughly divided into oil, chemical passivation, phosphating, fingerprint resistance, self lubrication, fingerprint treatment. Electro galvanized base plate is used, the corresponding hot rolled coil is pickled, cold-rolled and annealed, and the coating is the same as the substrate.
Chemical passivation: chrome free passivation is designed to improve corrosion resistance.
Phosphating: in order to improve the painting performance, the surface phosphating and chrome free sealing treatment are carried out after galvanizing.
Fingerprint resistant board: for the electronic industry, the internal parts of household appliances should be repeatedly touched by hand. In order to prevent fingerprints from sticking on the steel plate, the treatment of the fingerprint film on the surface of the steel plate should be carried out.
Self lubrication fingerprint board: for micro motor, motor shell parts, in the process, in order to protect the steel plate surface to reduce damage, in the steel plate surface self lubrication coating treatment.
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