Nickel 200 twill wire mesh, 0.055 x 180 mesh size, size 200 mm x 300 mm, 5 sheets
5 sheets cost $72. Not bad.
Will be difficult for non-Japanese replicators to find out exactly what product to order at that website.
Can you ask Mizuno-san whether he can tell what the purity of this nickel mesh is?
Should probably be 99.5% or so.
Let's hope the fabrication methods of the Nickel wire of these kind of mesh sheets are not too critical.