Hollow Cenospheres for Decorative Castings, aluminosilica microspheres, fly ash cenospheres, hollow cenospheres, hollow ceramic microspheres, Cenosphere(Expanded Mineral Materials Containing Alumina and Silica) is a light weight, inert, hollow sphere made largely of silica and alumina and filled with air or inert gas., typically produced as a byproduct of coal  combustion at thermal power plants. The color varies from gray to almost white and their den sity is about 0.6–0.9 g/cm³, all these property give it a widely application for insulation,refractory,oil drilling,coating,construction use. Cenospheres In Heat-Insulating Refractory Concretes Microspheres, due to their fire resistance and high heat-insulating properties, are used in the production of thermal insulation materials. The high temperature of microsphere shell softening allows, with the appropriate selection of the binder, creating refractory coating and insulating materials for industrial equipment. Cenospheres Color: gray Particle size: Based on customer requirements Shape: hollow microspheres Material: glass, nontoxic, odorless, non corrosive Silica: 50% ~ 65% Alumina: 27% ~ 35% Fe2o3：2%~3% MgO: 0.8% ~ 1.2% Silica: 0.1% ~ 0.2% Cao: 0.2% ~ 0.4% MgO: 0.8% ~ 1.2% Potash: 0.5% ~ 1.1% Sodium oxide: 0.3% ~ 0.9% Fire resistance: ≥1610 ℃ Floating Rate:≥95% Moisture content:≤1% Our usually packing way： 25kg/pp bag or 500~600kg/ bag Usage : 1.Cementing: Oil Drilling Mud & Chemcials,Light Cement Boards,Other Cementious Mixes. 2.Plastics: All types of Moulding,Nylon,Low Density Poluethylene and Polypropylene. 3.Construction: Speciality Cements and Mortars,Roofing Materials.Acoustic Panels,Coatings. 4.Automobiles: Fabrication of composite polymeric putties. 5.Ceramics: Refratories,Tiles,Fire Bricks. 6.Paints and Coating: ink,bond,vehicle putty, insulating, antiseptic, fireproof paints. 7.Space or Military: explosives,invisible paints for planes,ships and even soldiers,heat and compression insulating compounds,deep-water submarine. Cenospheres are lightweight, hollow ceramic microspheres that are a byproduct of coal combustion in thermal power plants. These tiny spheres have a variety of applications due to their unique properties, including decorative castings. When used in decorative castings, cenospheres can provide several benefits: Lightweight: Cenospheres are extremely light, which makes them ideal for creating lightweight decorative castings. This is particularly useful for large or intricate decorative pieces where weight might be a concern. Improved Workability: Cenospheres can enhance the workability of casting materials. They improve the flow of the mixture, making it easier to pour into molds and ensuring that it fills all the intricate details of the mold. Reduced Shrinkage and Cracking: Cenospheres can help reduce shrinkage and cracking in decorative castings. By adding cenospheres to the casting mixture, the overall density is reduced, which can prevent the material from shrinking too much as it cures, minimizing the likelihood of cracks forming. Enhanced Insulation: Cenospheres have excellent insulating properties. When used in decorative castings, they can help improve the thermal insulation of the finished product. This is particularly beneficial if the decorative castings are intended for outdoor use. Cost-Effectiveness: Cenospheres are often a cost-effective additive for decorative castings. Since they are a byproduct of industrial processes, they can be relatively inexpensive compared to other lightweight fillers. When using cenospheres in decorative castings, it's important to carefully consider the proportions and mixing process. Proper dispersion of cenospheres within the casting material is essential to ensure that their benefits are fully realized. Additionally, testing different ratios and techniques on a small scale is advisable to determine the optimal mix for the specific decorative casting application you have in mind. If you have any further questions, please feel free to contact us. We'd love to help you! www.kehuitrading.com sales1@kehuitrade.com