Alumina hollow ball bricks are an emerging high-performance refractory material that have received widespread attention and application due to their light weight, high strength, high fire resistance, corrosion resistance, thermal insulation protection and dimensional stability.
The raw materials for manufacturing alumina hollow ball bricks are high-temperature materials such as alumina and magnesium oxide, which are formed through special processing techniques. It has a microporous structure, which is different from the synthetic materials of traditional solid bricks, so it can control the flow of gas and liquid, and shows excellent anti-corrosion and explosion-proof functions in some special occasions.
Alumina hollow ball bricks show good corrosion resistance and heat insulation in high temperature environments. Its excellent thermal insulation properties make it widely used in hazardous factories, chemical plants, smelting plants and other special industries that require thermal insulation protection. At the same time, alumina hollow ball bricks are affordable, have long service life, are safe and reliable, so they are widely favored by users.
To sum up, alumina hollow ball bricks are a high-temperature refractory material with excellent performance. They have a variety of excellent properties and are widely used in construction in special environments to better protect people's lives and property.
Item | SAB-99 | SAB-90 | SAB-85 | |
Chemical Analysis | Al2O3 | ≥99% | ≥90% | ≥85% |
SiO2 | ≤0.3% | ≤9% | ≤14% | |
Fe2O3 | ≤0.2% | ≤0.2% | ≤0.2% | |
Physical Analysis | Bulk density | ≥1.5-1.8g/cm3 | ≥1.4-1.9g/cm3 | ≥1.4-1.9g/cm3 |
Thermal Conductivity w/(m.k) | 0.75 | 0.6 | 0.55 | |
Cold crushing strength | ≥15 MPa | ≥18MPa | ≥18MPa | |
Refractoriness under load | ≥1700 ℃ | ≥1700 ℃ | ≥1700 ℃ |
Alumina hollow ball bricks are widely used in the following fields due to their excellent performance:
1. Steel industry: Alumina hollow spherical bricks are often used for internal thermal insulation and corrosion resistance protection of steel smelting, ladles, molten steel treatment, foundry industry and other equipment.
2. Petrochemical and chemical industry: Alumina hollow spherical bricks are key refractory materials in chemical equipment and are widely used for internal thermal insulation of reactors, cracking furnaces, catalytic converters, and converters in oil refining, coal chemical industry, natural gas and other fields.
3. Power industry: Alumina hollow spherical bricks are one of the important components of various boilers in the power industry. They can be used as inner wall thermal insulation panels to effectively improve the thermal efficiency and safety of the boiler.
4. Other industries: Alumina hollow spherical bricks are also widely used in various fields such as the steel industry, ceramics industry, and aerospace engine manufacturing, all playing an important role.
In short, alumina hollow ball bricks have excellent thermal insulation, corrosion resistance, compressive strength and other properties, which can effectively protect equipment and reduce energy consumption. It is widely used in various equipment or occasions in harsh environments such as high temperature, high pressure, fire resistance, corrosion and corrosion, providing reliable technical support for industrial production and safety assurance.
Packing:
Standard export wooden pallet with cardboard and PET strap.
1. Strong packing will protect the goods from any possible damage during transit.
2. Solid packing and overall stuffing can prevent the cases from vibration and jarring.
3. We must take necessary precaution that the packing can protect goods from pilferage or rain.
4. We can confirm that we take every possible precaution to ensure that our products reach our customers all over the world in prime conditon.
Shipping:
By vessel or by train from any Chinese port, Samples can be delivered by International express.
Delivery:
15-30 days working day for large quantity. The shipment we will arrange as soon as possible. Of course, if it is a custom products, the shipping time will delay.
Sample:
Usually by EMS, DHL, UPS, TNT, FedEx. Anyway you like. Bulk order: Usually by sea.
Payment:
It can be through T/T, L/C at sight. The specific terms determined according to the quantity of the goods, etc.
Your inquiry related to our product & price will be replied within 24 hours.
Export:
Our products have been exported to many countries: Australia, Chile, USA, Russia, UK, Indonesia, etc., good quality have be approved by our clients.
About US
1. Strong professional:
Our company has thirty years producing experience in refractory products. Our manager will supervise on a various refractorys production materials, process control, quality supervision and package delivery, and ensure the products are 100% qualified.
2.Annual supply:
Our company has passed ISO9001 quality management system certification and SGS certification. And the annual supply of shaped and unshaped refractory product is 28, 800-35, 000 tons.
3. Export experiences:
Now we have gained a global sales network reaching Taiwan, Russia, Korea, Vietnam, Pakistan, Bulgaria, French, India, Congo, Angola, South Africa, and so on.
4. Production equipment:
Production and testing equipments are new, complete and automated or semi- automated. Such modern facilities and equipments have provided the fine technical guarantee for the production and testing.
5. Testing equipment:
Our company's testing equipments as follows:
High Temperature RUL Tester
Bulk Density Tester
The Pressure Tester
Refractoriness Tester
2024JY