Overview of Porous 60% 70% 76% 80% Al2o3 Alumina Refractory Ceramic Roller With Open Both Ends

Porous 60% 70% 76% 80% Al2o3 Alumina Refractory Ceramic Roller With Open Both Ends are non-metallic substances designed to withstand extreme temperatures exceeding 1,000°C, along with harsh chemical and physical stresses. They are essential for the inner linings of industrial furnaces, kilns, reactors, and incinerators, providing critical thermal insulation and structural integrity in processes ranging from metal and glass manufacturing to power generation.

Features of Porous 60% 70% 76% 80% Al2o3 Alumina Refractory Ceramic Roller With Open Both Ends

• High-Temperature Resistance: Maintain structural strength and stability at temperatures often exceeding 1500°C.

• Excellent Thermal Shock Resistance: Withstand rapid heating and cooling cycles without cracking or spalling.

• Chemical Inertness: Resist corrosion and degradation from slags, molten metals, and acidic or basic environments.

• High Mechanical Strength: Possess considerable load-bearing capacity at operating temperatures.

• Low Thermal Conductivity: Provide effective insulation to improve energy efficiency and protect furnace structures.

• Abrasion Resistance: Withstand erosion from solid materials and gas flows.

Specification of Porous 60% 70% 76% 80% Al2o3 Alumina Refractory Ceramic Roller With Open Both Ends

Permeable alumina ceramic rollers offer trustworthy efficiency for demanding high-temperature applications. These rollers feature open ends on both sides. This design makes installment straightforward. Merely slide them onto support shafts. A number of porosity levels are readily available: 60%, 70%, 76%, and 80%. This porosity straight influences the roller’s residential or commercial properties.

Greater porosity suggests better insulation. It also suggests the roller evaluates less. This benefits reducing the lots on kiln frameworks. Despite high porosity, these rollers preserve good toughness. They take care of requiring conditions well. The major product is Al2O3 alumina. This material is recognized for its exceptional resistance to heat.

These rollers stand up to constant usage at temperature levels approximately 1750 ° C (3182 ° F). They likewise withstand sudden temperature level modifications well. Thermal shock will not conveniently fracture them. Alumina is chemically secure. The rollers will not respond with a lot of furnace environments. Gases and fumes won’t harm them conveniently. This makes certain lengthy life span.

Various sizes are available. Typical external sizes range from 20mm to 150mm. Lengths typically go from 100mm to 3000mm. Custom-made dimensions are possible. The open-end style enables simple placing. It also streamlines upkeep and substitute. These rollers are ideal for kilns, heaters, and warmth treatment lines. They direct products efficiently with high-heat areas. Their permeable framework provides efficient thermal insulation. This conserves power.

Applications of Porous 60% 70% 76% 80% Al2o3 Alumina Refractory Ceramic Roller With Open Both Ends

Permeable alumina ceramic rollers been available in different porosity degrees like 60%, 70%, 76%, and 80%. These rollers have open ends on both sides. Their special framework makes them extremely valuable in high-temperature commercial work. The small openings inside the material give them essential benefits.

The porosity allows air or gases to relocate via the roller conveniently. This is important for processes needing even heating up or cooling down. It aids prevent hot spots. It additionally makes the rollers lighter than solid ones. This minimizes stress on heating system frameworks. The open ends allow you mount them merely onto shafts or bearings.

These rollers execute well in warmth therapy heating systems. They lug metal components through different temperature level zones. The porous framework aids gases stream around the job uniformly. This provides constant results. They are likewise typical in sintering furnaces. Here, they support products like porcelains or powdered metals throughout firing. The rollers deal with the high warmth well.

Glass manufacturing uses these rollers as well. They move glass sheets or containers through annealing lehrs. The rollers need to endure the warmth without damaging the soft glass surface area. The porosity assists take care of temperature level control. Kilns for floor tiles or tableware often rely upon them. They transfer heavy tons steadily at peak temperatures.

Different porosity degrees fit various requirements. Lower porosity rollers, like 60% or 70%, are stronger. They take care of much heavier tons well. Utilize them in kilns or heaters requiring robust support. Higher porosity rollers, like 76% or 80%, are lighter. They provide much better gas circulation. Choose these where maximum airflow or minimal weight is crucial. All kinds stand up to thermal shock effectively. They last a long time in challenging conditions.

Company Profile

Tanki New Materials Co.Ltd. focus on the research and development, production and sales of ceramic products, serving the electronics, ceramics, chemical and other industries. Since its establishment in 2015, the company has been committed to providing customers with the best products and services, and has become a leader in the industry through continuous technological innovation and strict quality management.

Our products includes but not limited to Aerogel, Aluminum Nitride, Aluminum Oxide, Boron Carbide, Boron Nitride, Ceramic Crucible, Ceramic Fiber, Quartz Product, Refractory Material, Silicon Carbide, Silicon Nitride, ect. please feel free to contact us.

Payment Methods

T/T, Western Union, Paypal, Credit Card etc.

Shipment Methods

By air, by sea, by express, as customers request.

5 FAQs of Porous 60% 70% 76% 80% Al2o3 Alumina Refractory Ceramic Roller With Open Both Ends

What are these ceramic rollers exactly?
These are strong tubes made from alumina (Al2O3). They are designed for high heat. Air can pass through them because they are porous. Both ends are open. You find them in kilns and furnaces.

Why offer 60%, 70%, 76%, and 80% porosity?
Different jobs need different pore levels. Higher porosity means more air flows. This helps with even heating or cooling in the kiln. Higher porosity rollers are lighter too. But, higher porosity means slightly less strength sometimes. You pick the level matching your process needs.

Why are both ends open?
Open ends make installation simple. They slide easily onto support rods or shafts inside the furnace. This design also helps air move freely through the roller’s length. Good airflow is critical for performance.

What are the main benefits of using these?
They handle extreme heat very well. The porous structure helps control temperature inside the kiln. This can save energy. They resist wear and chemical damage. They often last longer than solid rollers in harsh conditions. This saves money over time.

How hot can they get?
Their maximum use temperature depends on the exact alumina grade and porosity. Generally, they work reliably at temperatures over 1600°C (2912°F). Always check the specific grade’s datasheet for the exact safe limit. Do not exceed the manufacturer’s rating.