China OEM Factory for Fire Brick And Mortar - Light Weight Silica Brick Kiln Refractory Bricks SiO2 91% – Rongsheng factory and manufacturers | Rongsheng

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With our outstanding administration, powerful technical capability and strict top quality handle procedure, we go on to provide our purchasers with reliable good quality, reasonable selling prices and excellent services. We goal at becoming certainly one of your most responsible partners and earning your gratification for Silicon Refractory Castable, Boiler Refractory Bricks, Carbon Foam Electrode, Our products are widely recognized and trusted by users and can meet continuously changing economic and social needs.
China OEM Factory for Fire Brick And Mortar - 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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China OEM Factory for Fire Brick And Mortar - Light Weight Silica Brick Kiln Refractory Bricks SiO2 91% – Rongsheng factory and manufacturers | Rongsheng detail pictures

China OEM Factory for Fire Brick And Mortar - Light Weight Silica Brick Kiln Refractory Bricks SiO2 91% – Rongsheng factory and manufacturers | Rongsheng detail pictures

China OEM Factory for Fire Brick And Mortar - Light Weight Silica Brick Kiln Refractory Bricks SiO2 91% – Rongsheng factory and manufacturers | Rongsheng detail pictures

China OEM Factory for Fire Brick And Mortar - Light Weight Silica Brick Kiln Refractory Bricks SiO2 91% – Rongsheng factory and manufacturers | Rongsheng detail pictures


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We continue to keep increasing and perfecting our solutions and service. At the same time, we operate actively to do research and enhancement for China OEM Factory for Fire Brick And Mortar - Light Weight Silica Brick Kiln Refractory Bricks SiO2 91% – Rongsheng factory and manufacturers | Rongsheng , The product will supply to all over the world, such as: Malta, Cancun, Barcelona, High output volume, top quality, timely delivery and your satisfaction are guaranteed. We welcome all inquiries and comments. If you are interested in any of our products or have an OEM order to fulfill, please feel free to contact us now. Working with us will save you money and time.
  • We have been appreciated the Chinese manufacturing, this time also did not let us disappoint,good job!
    5 Stars By Hazel from Mali - 2018.11.04 10:32
    Superb technology, perfect after-sales service and efficient work efficiency, we think this is our best choice.
    5 Stars By Darlene from Boston - 2017.08.15 12:36
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