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Description:Product Name: Cenosphere Features: 1) Cenosphere are hollow ceramic beads arising as a small proportion of the waste ashes from certain coal-burning power stations 2) When disposal of the waste ash by means of settlement pools, cenosphere are floating and gathering on the surface and are known as "floaters" 3) It's a type of light, and nonmetallic material 4) This material has excellent fluidity as well as sound, electric and heat insulation Chemical composition(%): Sio2 >55 al2o3 >31 fe2o3 <3 tio2>1.1 mgo >1 cao >2 k2o >1 loss <1 Physical properties: 1) Particle size: 200 - 500祄 2) Particle density: 0.4 - 0.8g/cm3 3) Bulk density: 0.33 - 0.46g/cm3 4) Color: light gray / offwhite 5) Refractoriness: 1,200 -1,470癈 6) LOI: 1.0% max. 7) Moisture content: 1.0% max. 8) Floater: 90% min. Packing: 25kg bag Place of Origin: China