... of the best filling materials for paint, printing ink, carbon, fiber, GRP, leatheroid, rubber, plastic, petroleum field(anchoring, pipeline, anticorrosion and ... Surface Area(m cm3)0.02-0.1Oil Absorption g(oil)/g0.68-0.69Thermal Conductivity(W/mK)0.054-0 ... in the filler industry today that can meet the requirements for low shrinkage.6.LOWTHERMAL,ELECTRICAL,AND SOUNDCONDUCTIVITY: cenospheres are ...