... for paint, printing ink, carbon, fiber, GRP, leatheroid, rubber, plastic, petroleum field(anchoring, pipeline, anticorrosion and warm ... be used in electronic filling and sealing materials, instrument boards, switches, etc.10. COST EFFECTIVENESS: cenospheres are 50 ... and so on. Like panels, boards, vehicle decorations, glass fiber products.3. Rubber: floors,boards ,wires and lines ,insulating devices, ...