... is a versatile and high-performance new lightweight material developed in recent years. It will be the new composite mainstream materials ... is 0.20-0.60g/cm3 with 2-120μm in diameter. It owns features with light weight, large bulky, low ... conductivity, high compressive strength, smoothly mobility. It can be used in paint and coatings, rubber, plastics, glass, steel, artificial stone, putty ...