Lightweight Silica Insulation Bricks for Sale

Lightweight Silica Insulation Bricks

Lightweight Silica Insulation Bricks, also called Light Weight Silica Brick, is a kind of light weight refractory materials with more than 91% silicon dioxide and less than 1.2g/cm3 bulk density. Its refractoriness and refractoriness under load have hardly difference with common silica bricks that with the same composition. As there is much porosity, the compression strength, slag resistance and corrosion resistance are inferior to common silica refractory bricks. But the heat shock resistance is higher. Light Weight Silica Brick is mainly used in industrial furnaces for heat insulation.

Lightweight Silica Insulation Bricks for Sale
Lightweight Silica Insulation Bricks

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Description for Lightweight Silica Insulation Bricks

Lightweight Silica Insulation Bricks adopt finely-divided silica ore as the raw material. Its critical particle size is not more than 1mm, therein more than 90% particle size is less than 0.5mm. Light Weight Silica Brick is made by adding flammable substance in the burdening or adopting gas bubble method to produce porous structure through firing. It also can be made to be unburned product. Light Weight Silica Brick is mainly used for each position of kilns that require insulation or lightening self-weight but without directly contact with melt, without gas erosion and heat shock resistance. Lightweight Silica Insulation Bricks can be used in high temperature but cannot contact with basic refractory. According to the different of materials structure, its highest service temperature is 1200~1550℃.

Features of Lightweight Silica Insulation Bricks

Good thermal conductivity

Great high temperature mechanical strength

High temperature stability

Strong acid slag erosion resistance

Application of Lightweight Silica Insulation Bricks

Coke ovens

Hot blast stove

Glass furnace

Forging furnace

And other industrial furnaces

Cheap Light Weight Silica Brick
Light Weight Silica Brick

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Performance Index of Lightweight Silica Insulation Bricks

Performance Index of Lightweight Silica Insulation Bricks
Index Value Index Value
SiO2 Content ≮ 91 Apparent Porosity  %   ≮ 45
Refractoriness ℃ ≮ 1670 Cold Crushing Strength MPa ≮ 3.5
Load Under 0.1MPa Pressure True Density  g/cm3  ≯ 2.39
Softening Start Temperature ℃ ≮ 1560 Bulk Density  g/cm3  ≯ 1.2

Physicochemical Indexes of Lightweight Silica Insulation Bricks

Physicochemical Indexes of Lightweight Silica Insulation Bricks
Item Index
QG-1.0 QG-0.8
SiO2 %   ≥ 90 88
Refractoriness ℃   ≥ 1600 1600
0.10MPa  Apparent Initial Softening Temperature ℃  ≥ 1420 1400
Apparent Porosity  %   ≥ 50 55
Cold Crushing Strength   MPa   ≥ 2.0 1.8
True Density  g/cm3      ≤ 2.40 2.10
Bulk Density   ≤ 1.0 0.8

Rongsheng Factory is a professional Lightweight Silica Insulation Bricks supplier with advance manufacturing technology and advantage price that can provide you the best and satisfied refractory products. Please contact us for free quote or any other information.

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