Silica Bricks
Description:
Silica bricks are made from high-purity refractory clays, the temperature of use ranging from 1100℃ to 1700℃ and each grade is formulated to meet specific thermal and physical requirements.
Features:
Slica bricks have following features: no shrinkage at high temperature,volume stability, shorten heating period and reduce energy consumption,extend the service life of kilns.
Application:
Silica bricks are widely used in metallurgy, building materials, chemical industry, petroleum, machinery manufacturing, silicate, power and other industries.
It’s also widely used for the linings and insulating layers of industry kilns, and the areas without strong erosion and souring action by molten materials at high temperature.
Specification:
Item | Unit | GZ-96 | GZ-95 | GZ-94 | |
SiO2 | % Min | 96 | 95 | 94 | |
Fe2O3 | % Max | 1.0 | 1.2 | 1.4 | |
Apparent Porosity | % Max | 22(24) | 22(24) | 22(24) | |
True Density | g/cm3 Max | 2.34 | 2.35 | 2.35 | |
Cold Crushing Strength | Unit Weight <20gk | Mpa Min | 35 30 | 35 30 | 35 30 |
Unit Weight ≥20gk | |||||
Refractoriness Under Load (0.2Mpa) | ℃ Min | 1660 | 1650 | 1640 | |
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