Overview of Refractory Heat Resistance High 95% 99% Porous Hollow Al2o3 Alumina Ceramic Tube/rod

Refractory Heat Resistance High 95% 99% Porous Hollow Al2o3 Alumina Ceramic Tube/rod is precision-engineered from 99%+ pure aluminum oxide (Al₂O₃), offering outstanding mechanical strength and thermal stability. With a maximum operating temperature of 1800°C, these rings are widely used in high-wear applications such as bearings, seals, insulators, and semiconductor processing equipment. Their exceptional hardness and corrosion resistance make them ideal for demanding industrial environments.

Key Features of Refractory Heat Resistance High 95% 99% Porous Hollow Al2o3 Alumina Ceramic Tube/rod

Extreme Temperature Resistance – Stable up to 1800°C with minimal thermal expansion

Superior Wear Resistance – Harder than steel, ensuring long service life

Excellent Electrical Insulation – High dielectric strength for electronic applications

Chemical Inertness – Resists acids, alkalis, and corrosive gases

Precision Machined – Tight tolerances for consistent performance in mechanical assemblies

(Refractory Heat Resistance High 95% 99% Porous Hollow Al2o3 Alumina Ceramic Tube/rod)

Specifications of Refractory Heat Resistance High 95% 99% Porous Hollow Al2o3 Alumina Ceramic Tube/rod

These permeable hollow Al2O3 alumina ceramic tubes and rods give impressive warm resistance. They are made from high-purity alumina. Alumina web content reaches either 95% or 99%. This high purity is crucial. It straight manages the heat resistance. These tubes deal with severe temperatures quickly. Constant use temperature levels exceed 1600 ° C(2912 ° F). They withstand thermal shock effectively. Abrupt temperature adjustments create marginal anxiety. This stops cracking.

The structure is permeable. This porosity is deliberate. It offers significant advantages. Porosity greatly reduces weight. Heavy tools becomes lighter. Porosity improves thermal insulation. Warmth transfer slows down. Power performance boosts. The hollow facility design boosts this insulation impact. It likewise enables other functions. Cables or sensing units can go through. Fluids or gases may flow within.

These components are very stable. They withstand chemical deterioration strongly. Acids and antacid cause little damages. They reveal exceptional mechanical toughness. They maintain form under heavy loads. Wear resistance is also premium. Abrasion causes very little product loss.

2 primary pureness qualities exist. The 95% alumina version uses a strong equilibrium. It supplies strong performance. It is often more affordable. The 99% alumina quality supplies maximum capability. It provides the highest possible heat resistance. It offers the most effective chemical stability. It makes certain peak mechanical toughness.

Several industries make use of these tubes and rods. They are essential in high-temperature heating systems. Kilns and heaters rely upon them. Thermocouple security tubes prevail. They guard temperature level sensing units. Industrial sensors utilize them for insulation. Heat treatment procedures require their security. Research laboratory devices gain from their inertness. Semiconductor manufacturing uses them. They are found in aerospace applications. They serve well in harsh chemical environments.

Criterion dimensions are offered. Outer diameters normally range from 2mm to 50mm. Wall surface density varies between 1mm and 10mm. Sizes can be customized. Manufacturing fulfills specific needs. They stand up to temperature levels up to 1800 ° C (3272 ° F) for short periods. Their permeable nature makes them special. It produces exceptional thermal obstacles. It lowers total system weight.

(Refractory Heat Resistance High 95% 99% Porous Hollow Al2o3 Alumina Ceramic Tube/rod)

Applications of Refractory Heat Resistance High 95% 99% Porous Hollow Al2o3 Alumina Ceramic Tube/rod

These porous alumina ceramic tubes and rods handle severe warm. They are made from Al2O3 (alumina). They withstand temperature levels approximately 1800 ° C. This makes them ideal for extremely warm locations. Their special feature is high porosity, 95% or 99%. This implies they have several small openings inside. The hollow shape includes in this effect. This structure offers outstanding thermal insulation. Warm doesn’t travel through quickly. This saves power in high-temperature procedures. The many openings likewise make the components really light. They are much lighter than solid ceramic pieces. This aids with managing and setup. Regardless of being permeable, alumina remains strong and secure. It does not break or warp quickly under warmth tension. It additionally stands up to chemical assault from lots of compounds. This product lasts long in challenging conditions.

Factories make use of these tubes and poles commonly. They create cellular linings inside commercial furnaces. The permeable structure traps warmth inside the heating system chamber. This maintains the warm where it’s needed. It enhances heater efficiency. Televisions protect sensitive components. They are optimal sheaths for thermocouples and temperature level sensors. The hollow tube guards the sensor wire. The porosity permits accurate temperature level readings. Warm transfers slowly to the sensor. This prevents abrupt spikes impacting the dimension. The alumina material obstructs destructive heater gases. This protects the sensing unit inside.

These parts are essential in laboratory equipment. They act as insulating supports. They hold heating elements safely. The high porosity decreases warm loss to the environments. This guarantees exact temperature control. The hollow poles are excellent providers or supports in activators. They endure responsive chemical atmospheres at high warmth. Metal parts typically fall short below. Alumina does not. Its chemical inertness is key. The permeable nature can in some cases aid in gas circulation or filtering also. Manufacturers value their reliability. They minimize tools downtime. Upkeep expenses decrease. They provide a robust remedy for requiring thermal applications requiring both insulation and toughness.

Company Profile

Alumina Technology Co., Ltd,. We focus on the research and development, production and sales of alumina products, serving the electronics, ceramics, chemical and other industries. Since its establishment in 2005, 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 Alumina Boat, Alumina Crucible, Alumina Dish, Alumina Foam Filter, Alumina Plate, Alumina Rod, Alumina Bar, Alumina Balls, Filter Alumina, Nano Alumina Powder, Spherical Alumina Powder, ect. please feel free to contact us.(nanotrun@yahoo.com)

Payment Methods

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

Shipment Methods

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

5 FAQs of Refractory Heat Resistance High 95% 99% Porous Hollow Al2o3 Alumina Ceramic Tube/rod

What temperatures can these alumina tubes handle?
They resist extreme heat well. The 95% and 99% alumina types handle continuous use around 1600°C to 1700°C. Short bursts can go higher. Their exact limit depends on the specific grade and conditions. Check the specs for your model.

Where are these porous hollow tubes typically used?
You find them in hot environments needing gas flow or liquid filtration. Common uses are furnace linings, thermocouple protection sleeves, molten metal filtration, and catalyst supports. Their hollow shape and pores let gases or liquids pass through while blocking solids.

Why choose porous alumina over solid ceramic?
Porosity creates key advantages. It makes the tubes lighter. It lets gases or liquids permeate the material. This is essential for filtering or distributing substances evenly in high heat. Solid alumina doesn’t allow this flow.

What benefit does the high alumina content (95%, 99%) provide?
More alumina means better performance under heat. These grades offer superior resistance to extreme temperatures. They resist chemical attack better. They stay stronger for longer in harsh conditions compared to lower alumina ceramics. They resist wear well.

Are different sizes and shapes available?
Yes. Manufacturers usually offer various outside diameters, wall thicknesses, and lengths for tubes and rods. Custom sizes are often possible. Tell the supplier your exact needs for inner/outer diameter, length, and wall thickness. Standard sizes are common.

(Refractory Heat Resistance High 95% 99% Porous Hollow Al2o3 Alumina Ceramic Tube/rod)