Yes. It's a heterogeneous allotrope made from typically pyrolyzing the matrix, followed by slowly decomposing Acetylene inside the porous structure until the po

Yes. It's a heterogeneous allotrope made from typically pyrolyzing the matrix, followed by slowly decomposing Acetylene inside the porous structure until the porosity is gone. Other ways are to just infuse the porous matrix with more resin, before pyrolyzing again. Then loop a (few) dozen times.