galvanized iron wire plating process
The galvanized wire is gradually plated with iron in the plating tank by current unidirectionality, and the production speed is slow, the plating layer is uniform, and the thickness is usually 3-15 micrometers, and the appearance is bright, rustproof and decorative.we are provide galvanized iron wire and galvanized wire,you can know it.
It is made of high-quality low-carbon steel wire rod, which is processed by high-quality low-carbon steel wire through drawing, pickling and rust removal, high temperature annealing, hot galvanizing and cooling.
Finished process of wire: wire rod (raw material) - large pull - medium pull - annealed - small pull - black annealed wire.
After processing into an annealed wire, the zinc plating process can be performed.
Workpiece, oil, water washing, rust removal activation, water washing, plating, water washing, hot water heating, air drying, immersion antirust oil, packaging, finished products.
How is the amount of zinc on the galvanized wire calculated accurately?
There is no way to calculate this, only the actual test. The specific method is as follows:
1.Preparation of stock solution: 3232 g of antimony trichloride was dissolved in 1000 ml of hydrochloric acid (density of 1.18 g/ml). This liquid was used as a stock solution, and the action of adding antimony trichloride was to inhibit the reaction with iron.
2.Weigh and weigh the stock solution for recording.
3.Select a 10cm galvanized wire and measure the radius. It is required to be straight and not bendable. It was placed in a hydrochloric acid stock solution.
4.Wait until the reaction is not taking place, remove the wire when there is no bubble, and weigh it.
5.Calculate the weight difference of the galvanized wire, and divide the surface area of the steel wire to obtain the amount of zinc on the galvanized wire.
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