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

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abide by the contract", conforms into the market requirement, joins in the market competition by its good quality also as provides a lot more comprehensive and great company for purchasers to let them turn into huge winner. The pursue from the firm, would be the clients' gratification for Refractory Ceramic Fiber, Arc Furnace Electrodes, Graphite Rod Uses, For high quality gas welding & cutting equipment supplied on time and at the right price, you can count on company name.
China High definition Kiln Fire Bricks - 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 High definition Kiln Fire Bricks - Light Weight Silica Brick Kiln Refractory Bricks SiO2 91% – Rongsheng factory and manufacturers | Rongsheng detail pictures

China High definition Kiln Fire Bricks - Light Weight Silica Brick Kiln Refractory Bricks SiO2 91% – Rongsheng factory and manufacturers | Rongsheng detail pictures

China High definition Kiln Fire Bricks - Light Weight Silica Brick Kiln Refractory Bricks SiO2 91% – Rongsheng factory and manufacturers | Rongsheng detail pictures

China High definition Kiln Fire Bricks - Light Weight Silica Brick Kiln Refractory Bricks SiO2 91% – Rongsheng factory and manufacturers | Rongsheng detail pictures


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We are commitment to offer you the aggressive price tag ,exceptional products and solutions high-quality, as well as fast delivery for China High definition Kiln Fire Bricks - 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: British, Chile, Botswana, Based on experienced engineers, all orders for drawing-based or sample-based processing are welcomed. We have won a good reputation for outstanding customer service among our overseas customers. We will continue to try the best to offer you good quality products and the best service. We are looking forward to serving you.
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    5 Stars By Josephine from Angola - 2018.12.28 15:18
    Sales manager is very enthusiastic and professional, gave us a great concessions and product quality is very good,thank you very much!
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