... ), Features: solid powder, Purity>99%, 85 percent are 2-4 layers, hundreds of nm - several µm, excellent solubility in water ... film, drug carrier, composite materials. FGraphene—080( 4-8 layers)Name: Few layers of Graphene(4-8 layers)Features: over 85% of them are ... distributed in 4 to 8 layer, 2-4 nm thick , hundreds of ...