
Hollow Ceramic Cenosphere Competitive Price Alumina Construction Industry. Lightweight Hollow Structure: Hollow microspheres with fine particles, low density, and high strength for efficient filling. Multi-Industry Application: Used in coatings, plastics, oil drilling, cement, and aerospace industries as performance fillers. Eco-Friendly Raw Material: Extracted from fly ash of coal-fired power plants, offering a sustainable lightweight filler solution. Chemical Stability: Main composition is aluminum silicate, providing wear resistance and flame retardancy. Versatile Packaging: Flexible packaging options including 25kg bags or customized requirements for customer convenience. Quality Assurance: Manufactured with in-house technicians and laboratories to guarantee product consistency and quality.