What are the conditions for the oxide film that needs to be dyed?

What are the conditions for the oxide film that needs to be dyed?

[China Aluminum Industry Network] The membranes obtained by the anodic oxidation methods such as the sulfuric acid method, oxalic acid method, or chromic acid method have porosity and therefore have strong adsorptivity, so when in contact with oils, lipids, or any coloring matter , it is easily contaminated. This kind of film is mainly amorphous aluminum oxide. The strong adsorption property is the characteristics of aluminum oxide. In order to obtain a bright, bright film layer, the film layer before dyeing should first be required to have the following conditions:

(1) The film has a suitable thickness, and when it is dark, it is required to have a thick film (above 12μm);

(2) The film should have proper porosity and adsorption;

(3) The film itself should be colorless and transparent;

(4) The surface of the aluminum part to be oxidized should not have nicks, holes, and impurity stripes, and the crystal phase structure should not be different, such as grain expansion or deflection.

Freestanding Bathtub Faucet

Floor Mounted Tub Filler with Hand Shower with 360 Degree Swivel.The hoses come with a nylon-braided exterior that protects against chemical corrosion (commonly caused by detergent) and rusting. Easy operation single handle design allows flow rate and temperature control in single hand. Handheld Shower head and high arch 360 degree swivel bath tub faucet change in one second through diverting valve knob.

Freestanding Bathtub Faucet,Bathroom Tub Faucets,Freestanding Bath Taps,Freestanding Bathtub Faucets

HESHAN CAIZUN SANITRAYWARE CO.,LTD , https://www.caizunbathroom.com