Wire material, net and breeding cage for aquaculture

摘要

The invention relates to a wire material consisting of metallic material having an oxide surface, wherein the oxide surface of the wire material has a first oxide layer, which partially covers the metallic material and has at least a thickness of 200 nm to 2 microns, and the oxide surface of the wire material has a second oxide layer which covers the metallic material in the areas not covered by the first oxide layer. Here, the second oxide layer has a thickness of at most 0.01 to 10% of the thickness of the first oxide layer. Furthermore, the invention relates to a net and a breeding cage for aquaculture.