Material: Ta0 Ta1 Ta2 Ta7 Ta9 etc. Thickness: 0.25mm, 0.3mm, 0.4mm, 0.6mm, 0.8mm, 1.0mm etc. Porosity: 50-60%,55%, 65%, 60-70%, 75% 70-80% Size: 100x100mm, 200x200mm, 300x300mm, 400x400mm, 500x500mm, 600x600mm etc. Applicationï¼? The field of hydrogen production by electrolysis of water; PEM electrolyzer diffusion layer; Hydrogen fuel; Hydrogen suction machine, hydrogen-rich water dispenser, hydrogen-rich cup;