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Cenosphere/Microsphere

Commodity: Cenosphere /Microsphere

Size: 20mesh, 40mesh, 60mesh, 80mesh, 100mesh, 150mesh

Density: 0.35-0.46g/cm3

True Density: 0.85-1.0

Floating ratio: 90-95%

Melting Point: 1500-1650℃


Detailed Introduction

Chemical Analysis

Element% by weight
SiO257 – 60 %
Al2O330 – 33 %
CaO0.88 – 1.2 %
K2O1.1 – 1.3 %
Fe2O32.4– 3.2 %
TiO20.8 – 1.15 %
H2O0.35 – 0.5 %
LOI0.85 – 1.15 %


Packing: 25kg, 500kg, 550kg or 600kg bags.

Quantity: 10-12Mt/20’GP, 22-24Mt/40’HQ


Characteristics: Fine particles, hollow, light weight, high strength, wear resistance, high temperature resistance, thermal insulation.


Application: Refractory insulation materials, Lightweight castable materials, High-grade paving materials, Oil drilling industry, High temperature and high voltage insulators, Surface composite materials, Plastic additive, Powder metallurgy etc.

Technical Support:

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