Our enterprise since its inception, constantly regards product good quality as organization life, constantly improve production technology, strengthen merchandise high quality and continuously strengthen enterprise total good quality administration, in strict accordance with all the national standard ISO 9001:2000 for Buy Fire Brick, Lightweight Castable Refractory, Inswool Ceramic Fiber Blanket, "Passion, Honesty, Sound services, Keen cooperation and Development" are our goals. We've been here expecting close friends all around the earth!
China Hot New Products Zircon 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.
Product detail pictures:
Related Product Guide:
To consistently enhance the management method by virtue of the rule of "sincerely, fantastic religion and top quality are the base of business development", we extensively absorb the essence of associated goods internationally, and constantly acquire new merchandise to satisfy the needs of shoppers for China Hot New Products Zircon 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: Benin, Czech Republic, Hongkong, we are sincerely hope to establish one good long term business relationship with your esteemed company thought this opportunity, based on equal, mutual beneficial and win win business from now till the future.