China China OEM K26 Insulating Fire Brick - Light Weight Silica Brick Kiln Refractory Bricks SiO2 91% – Rongsheng factory and manufacturers | Rongsheng

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We believe that long time period partnership is a result of top of the range, value added services, rich expertise and personal contact for High Alumina Castable Refractory, Kiln Fire Bricks, Graphite Rod Uses, Never-ending improvement and striving for 0% deficiency are our two main excellent policies. Should you need anything, never be reluctant to speak to us.
China China OEM K26 Insulating 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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China China OEM K26 Insulating Fire Brick - Light Weight Silica Brick Kiln Refractory Bricks SiO2 91% – Rongsheng factory and manufacturers | Rongsheng detail pictures

China China OEM K26 Insulating Fire Brick - Light Weight Silica Brick Kiln Refractory Bricks SiO2 91% – Rongsheng factory and manufacturers | Rongsheng detail pictures

China China OEM K26 Insulating Fire Brick - Light Weight Silica Brick Kiln Refractory Bricks SiO2 91% – Rongsheng factory and manufacturers | Rongsheng detail pictures

China China OEM K26 Insulating Fire Brick - Light Weight Silica Brick Kiln Refractory Bricks SiO2 91% – Rongsheng factory and manufacturers | Rongsheng detail pictures


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We thinks what customers think, the urgency of urgency to act in the interests of a customer position of principle, allowing for better quality, lower processing costs, prices are more reasonable, won the new and old customers the support and affirmation for China China OEM K26 Insulating Fire Brick - 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: Armenia, Danish, Honduras, We have a excellent team supplying professional service, prompt reply, timely delivery, excellent quality and best price to our customers. Satisfaction and good credit to every customer is our priority. We are sincerely looking forward to cooperate with customers all over the world. We believe we can satisfy with you. We also warmly welcome customers to visit our company and purchase our products.
  • Adhering to the business principle of mutual benefits, we have a happy and successful transaction, we think we will be the best business partner.
    5 Stars By Ruth from Germany - 2018.09.23 17:37
    The company keeps to the operation concept "scientific management, high quality and efficiency primacy, customer supreme", we have always maintained business cooperation. Work with you,we feel easy!
    5 Stars By Marguerite from Buenos Aires - 2018.03.03 13:09
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