Stainless steel blackening agent and blackening treatment method
A technology of blackening and stainless steel, applied in the direction of metal material coating process, etc., can solve the problems of poor working environment, long processing time and high energy consumption
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Embodiment 1
[0049] A stainless steel blackening agent, comprising:
[0050] AR hydrochloric acid: the content is 100ml / L
[0051] Copper sulfate: the content is 5g / L,
[0052] Selenium dioxide: the content is 10g / L,
[0053] Nickel chloride: the content is 2g / L,
[0054] Boric acid: the content is 25g / L,
[0055] Potassium sodium tartrate: the content is 10g / L,
[0056] Deionized water was the balance.
Embodiment 2
[0058] A stainless steel blackening agent, comprising:
[0059] AR hydrochloric acid: the content is 120ml / L
[0060] Copper sulfate: the content is 5g / L,
[0061] Selenium dioxide: the content is 15g / L,
[0062] Nickel chloride: the content is 2g / L,
[0063] Boric acid: the content is 25g / L,
[0064] Potassium sodium tartrate: the content is 5g / L,
[0065] OP-10: the content is 0.5g / L,
[0066] Deionized water was the balance.
Embodiment 3
[0068] A stainless steel blackening agent, comprising:
[0069] AR hydrochloric acid: the content is 120ml / L
[0070] Copper sulfate: the content is 8g / L,
[0071] Selenium dioxide: the content is 10g / L,
[0072] Nickel chloride: the content is 2g / L,
[0073] Boric acid: the content is 25g / L,
[0074] Potassium sodium tartrate: the content is 15g / L,
[0075] OP-10: the content is 0.5g / L,
[0076] Deionized water was the balance.
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