$China 2021 High quality Magnesia Fire Brick - Light Weight Silica Brick Kiln Refractory Bricks SiO2 91% – Rongsheng factory and manufacturers | Rongsheng Featured Image$

$China 2021 High quality Magnesia Fire Brick - Light Weight Silica Brick Kiln Refractory Bricks SiO2 91% – Rongsheng factory and manufacturers | Rongsheng$
$China 2021 High quality Magnesia Fire Brick - Light Weight Silica Brick Kiln Refractory Bricks SiO2 91% – Rongsheng factory and manufacturers | Rongsheng$
$China 2021 High quality Magnesia Fire Brick - Light Weight Silica Brick Kiln Refractory Bricks SiO2 91% – Rongsheng factory and manufacturers | Rongsheng$
$China 2021 High quality Magnesia Fire Brick - Light Weight Silica Brick Kiln Refractory Bricks SiO2 91% – Rongsheng factory and manufacturers | Rongsheng$

China 2021 High quality Magnesia Fire Brick - Light Weight Silica Brick Kiln Refractory Bricks SiO2 91% – Rongsheng factory and manufacturers | Rongsheng

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China 2021 High quality Magnesia Fire Brick - Light Weight Silica Brick Kiln Refractory Bricks SiO2 91% – Rongsheng factory and manufacturers | Rongsheng Detail:

Silica Insulation Bricks Description

Light Weight Silica Insulation Brick adopt finely divided silica ore as the raw material. the critical particle size is not more than 1mm, therein more than 90% particle size is less than 0.5mm. silicate insulation brick is made by adding flammable substance in the burdening or adopting gas bubble method to produce porous structure through firing, silicate insulation bricks also can be made to be unburned product.

Properties of Light Weight Silica Insulation Brick

Good thermal conductivity,
Small residual swell,
Strong acid-resistant slag erosion,
Light weight and Eco friendly,
Good thermal shock resistance,
High temperature stable volume change,
Strong high temperature mechanical strength.

Manufacturing Process of Light Weight Silica Insulation Brick

Light Weight Silica Insulation Brick puts raw materials and water into a kneading equipment according to a certain proportion and then kneaded into mud, shape the mud into bricks through molding by machine or manpower. then dry the bricks till the residual water content is lower than 0.5%, which prevent the volume expansion from the crystal transformation of SiO2 and fire the shaped bricks in the high temperature.

RongshengLight Weight Silica Insulation Brick Specifications

Items	QG-1.0	QG-1.1	QG-1.15	QG-1.2
SiO2 %	≥91	≥91	≥91	≥91
Bulk Density g/cm3	≥1.00	≥1.10	≥1.15	≥1.20
Cold Crushing Strength MPa	≥2.0	≥3.0	≥5.0	≥5.0
0.1Mpa Refractoriness Under Load °C	≥1400	≥1420	≥1500	≥1520
Reheating Linear Change (%) 1450°C×2h	0~+0.5	0~+0.5	0~+0.5	0~+0.5
20-1000°C Thermal Expansion Coefficient ×10-6℃-1	1.3	1.3	1.3	1.3
Thermal Conductivity (W/(m·K) 350°C±10℃	≤0.55	≤0.6	≤0.65	≤0.7

Application of Light Weight Silica Insulation Brick

Silica insulation refractory brick can be used in the glass furnace and hot blast stove,silica insulation block also can be used in coke ovens, carbon forging furnace and any other industrial furnaces.

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