China PriceList for Fire Brick Cement - Light Weight Silica Brick Kiln Refractory Bricks SiO2 91% – Rongsheng factory and manufacturers | Rongsheng

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We now have a skilled, performance team to supply good quality services for our consumer. We often follow the tenet of customer-oriented, details-focused for Dolomite Refractory Bricks, Clay Refractory, Silica Fire Brick, Our merchandise are widely recognized and dependable by users and can meet continuously building economic and social needs.
China PriceList for Fire Brick Cement - 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.


Product detail pictures:

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

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

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

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


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Our firm sticks on the theory of "Quality will be the life in the enterprise, and status could be the soul of it" for China PriceList for Fire Brick Cement - 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: Mecca, Bangladesh, Belgium, We have the best products and professional sales and technical team.With the development of our company, we are able to provide customers best products, good technical support, perfect after-sales service.
  • In China, we have purchased many times, this time is the most successful and most satisfactory, a sincere and realiable Chinese manufacturer!
    5 Stars By Heloise from Borussia Dortmund - 2018.06.18 19:26
    We are old friends, the company's product quality has been always very good and this time the price is also very cheap.
    5 Stars By David Eagleson from Bahamas - 2017.09.30 16:36
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