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Treatment of titanium and titanium alloy surface
Sep 27, 2018

Method 1

Common solvent for degreasing: trichloroethylene, acetone, butanone, benzene, ethyl acetate, gasoline, anhydrous ethanol.


Method 2

After skim through the following solution under 20 ° C impregnating 5-10 min:

Sodium fluoride 2 chromium oxide 1 sulfuric acid (d=1.84) 10 water 50

After the water wash, distilled water rinse and drying under 93 ° C.


Method 3

In the following solution at 20 ° C under processing 2 min:

Hydrofluoric acid (concentration) 84 hydrochloric acid (37%) 8.9 phosphate (85%) 4.3

After water rinse, distilled water washing and drying under 93 ° C.


Method 4

After degreasing, wash with alkaline aqueous solution, and then treat at room temperature for 4-6min in the following solution:

Nitric acid (70%) 5 ammonium fluoride 3 water 92

Treated with water at room temperature for 2min in the following solution:

Trisodium phosphate 5 sodium fluoride 1 hydrofluoric acid 1.5 water 92.5

Dry after washing.


Method 5

Scrub 2-3min with the following solution after defatting:

Trisodium phosphate 5 sodium fluoride 1.3 hydrofluoric acid 2.9 water 90.8

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    ADD: No.1, 2/F, Building22, Zuoan Resident Community, Gaoxin Road 36, Baoji City, Shaanxi Province, China

    TEL: +86 0917 3574578

    EMAIL: jthametal@gmail.com

    jthametal@163.com

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