... manufacturing various electronic, photoelectric device FGraphene—070( 2-4 layers)Name: Few layers of Graphene (2-4 layers), Features: solid powder, Purity>99 ... %, 85 percent are 2-4 layers, hundreds of nm - several µm, excellent solubility in water and ... are distributed in 4 to 8 layer, 2-4 nm thick , hundreds of nm-dozens of µ m in size, solid powder, > 99% ...