Zhengzhou Annec Industrial Co., Ltd.
Continuously Pushing Forward R& D of HBS for BF and Progress of Refractory Technology To Become Preferred Global Supplier in High Temperature Industry
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Lightweight Silica Refractory Bricks High purity Magnesia Fused Spinel Fused Magnesia Spinel for Refractory Bricks
Lightweight Silica Refractory Bricks have the characteristics of low thermal conductivity, high load softening temperature, small residual expansion, and excellent reburning line change performance. Lightweight Silica Refractory Bricks are suitable for industrial furnaces such as coke ovens, hot blast furnaces, glass furnaces and carbon furnaces. Lightweight Silica Refractory Bricks is mainly used for the heat insulation layer and working layer of thermal equipment, and can be used for the heat insulation layer of various high temperature kiln equipment under high temperature conditions (≤1500℃) without contact with molten slag. This product is suitable for the heat insulation material of the silica brick lining of the high temperature hot blast stove of the large blast furnace and the heat insulation of the silica brick masonry of the glass furnace.
General Lightweight Silica Refractory Bricks can be divided into two levels: the first grade can be used in the top of the steel rolling heating furnace and the roof of the silicate industrial kiln, and can be directly in contact with the flame; the second grade is used in the general industrial kiln Insulation. Applicable to: industrial furnaces such as coke ovens, hot blast furnaces, glass melting furnaces and carbon calciners. Generally, the bulk density of silicon heat insulation refractory bricks is 0.9-1.1g/cm3, the compressive strength is 2.0-5.9MPa, and the thermal conductivity is 0.35-0.42W/(m·K). It has excellent fire resistance, its softening temperature under load is close to 1620℃ for dense silica bricks, with only a small residual expansion, and its thermal stability is better than dense silica bricks. Therefore, siliceous heat-insulating refractory bricks can be used for a long time under high temperature conditions (1500-1550°C) without contact with molten slag, but Lightweight Silica Refractory Bricks are especially suitable for high-temperature hot-blast furnaces of large blast furnaces. Thermal insulation of silica brick gas.
Advantage:
1, No Shrinkage At High Temperature,Volume Stability
2, It Can Be Used For A Long Time Under High Temperature
3, It Can Shorten Heating Period And Reduce Energy Consumption
4, It Can Extend The Service Life Of Kilns
Application:
Lightweight Silica Refractory Bricks is mainly used for Metallurgy, building materials, chemical industry, petroleum, machinery manufacturing, silicate, power and other industries.
Lightweight Silica Refractory Bricks is widely used for the linings and insulating layers of industry kilns, and the areas without strong erosion and souring action by molten materials at high temperature
Product Description:
| Silica Refractory Brick | |||||
| Item | Unit | GZ-96 | GZ-95 | GZ-94 | |
| SiO2 | % | ≥96 | ≥95 | ≥94 | |
| Fe2O3 | % | ≤1.0 | ≤1.2 | ≤1.4 | |
| Apparent Porosity | % | ≤22(24) | ≤22(24) | ≤22(24) | |
| Cold Crushing Strength | Unit weight ＜20KG | Mpa | ≥35(30) | ≥35(30) | ≥35(30) |
| Unit weight ≥20KG | Mpa | ≥30(25) | ≥30(25) | ≥30(25) | |
| 0.2MPa, Refractoriness under load | ℃ | ≥1660 | ≥1650 | ≥1640 | |
| Ture Bulk Density | g/cm3 | ≤2.34 | ≤2.35 | ≤2.35 | |
| The values in ( ) are indicators of hand-formed bricksNote: | |||||
Packaging and shipping
Standard packing: waterproof inner packing + outer packing suitable for container transportation
Why choose us
Q: Are you trading company or manufacturer?
A: We are Manufacturer of refractory materials that have 4 plants in China; So we can provide you with high quality products at more competitive prices. we can provide you professional solutions about your problems. Although our salesman cannot reply you immediately, pls leave your email or phone number, we can let our technician directly help you ASAP.
Q: Do you accept OEM?
A: Sure, we can do OEM for much kind of brick.
Q: What information do we need to provide?
A: If you are clear about the products you purchased, please send us the brick drawings, index(include chemical and physical indicators )and order quantity.
If you are not familiar with it, please tell us the usage and working temperature, we will recommend the product to you.
Q: How long is delivery time?
A: The delivery time will be determined according to the quantity of the order. Our monthly output is 12000tons. We have good connection with shipping company, agency, as well as the local custom and port authority. making sure we deliver on time.
Q: When can I get the price?
A: We usually quote within 24 hours after getting your detailed requirements, like size, quantity etc. If it is an urgent order, you can call us directly.
Q: What is the HS code?
A: The HS code is 69022000.
Q: Is there any cost for the sample?
A: We provide free sample(Less 3 pcs) but don't bear the freight.
Q: What is the Warranty for the fire brick?
A: For all the brick, we have 1 years warranty. If any quality problems on our side occurred in this period, we will take on the shipping cost and replacement.
What you will get from us is our best profession in service and the hospitality that you are willing to become our Friend.
So choosing us is the right choice for you. If you are interested in our products or if you have any question, pls feel free to contact us at any time. We will reply as soon as possible.