Bioplast Sheeting
From Star Trek : Freedom's Wiki
Bioplast Sheeting was a material based in bioplast that is used in the construction of Soong-type androids.
Varria, after scanning Data, obtained the following compositions: "...twenty-four point six kilogram of tripolymer composites... eleven point eight kilogram of molybdenum cobalt alloys... one point three kilogram bioplast sheeting..." (TNG: "The Most Toys")