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Overview of 22.3—99.7% Alumina Al2O3 Ceramic Solid Rods
22.3—99.7% Alumina Al2O3 Ceramic Solid Rods is precision-engineered from 99%+ pure aluminum oxide (Al₂O₃), offering exceptional mechanical strength and thermal stability. Designed to withstand temperatures up to 1800°C, these shafts provide superior performance in demanding applications including precision machinery, chemical pumps, semiconductor equipment, and high-speed bearings.
The combination of extreme hardness (9 Mohs), low friction coefficient, and excellent corrosion resistance makes alumina ceramic shafts ideal replacements for metal components in harsh environments.
Key Features of 22.3—99.7% Alumina Al2O3 Ceramic Solid Rods
Ultra-High Temperature Resistance – Stable operation up to 1800°C
Exceptional Wear Resistance – 5-10x longer lifespan than steel shafts
Corrosion Proof – Resistant to acids, alkalis and solvents
Lightweight – 60% lighter than steel with higher strength
Electrical Insulation – Excellent dielectric properties
Customizable – Available in various diameters, lengths and tolerances

(22.3—99.7% Alumina Al2O3 Ceramic Solid Rods)
Specification of 22.3—99.7% Alumina Al2O3 Ceramic Solid Rods
Alumina ceramic strong poles contain light weight aluminum oxide. The product purity varies from 22.3% to 99.7% Al2O3. Various purity degrees use various efficiency advantages. Greater pureness usually means far better performance. These rods are very hard. They resist wear extremely well. This makes them helpful for hard atmospheres.
These ceramic rods take care of really high temperatures. They endure warm up to 1700 ° C. This depends upon the details Al2O3 quality. They withstand thermal shock well. Sudden temperature level changes generally don’t fracture them. This residential property is crucial for several commercial usages.
The rods supply outstanding electric insulation. They function well as electrical insulators. Their dielectric strength is high. This property stays steady also at heats. They do not carry out electrical energy. This is essential for electronic elements.
Chemical resistance is an additional crucial function. Alumina rods stand up to strike from numerous acids and antacids. They do not rust conveniently. This makes certain long life in severe chemical setups. They likewise stand up to oxidation successfully.
The surface area finish of these rods is typically smooth. They have a great finish. This is good for accuracy applications. Tight dimensional tolerances are attainable. Makers can make poles to details sizes. Typical diameters are offered. Personalized diameters are additionally feasible. Sizes can be cut as required.
These rods are mechanically strong. They offer good compressive stamina. Their flexural stamina is also dependable. This stamina remains at raised temperatures. They are stiff products. Their rigidity is useful for architectural components.
Common uses include furnace parts. They act as thermocouple defense tubes. They are made use of in electrical insulators. Semiconductor devices utilizes them. Wear-resistant guides and bushings are made from them. Sensing unit components make use of alumina poles. Laser systems integrate them. Numerous commercial processes rely upon these rods.

(22.3—99.7% Alumina Al2O3 Ceramic Solid Rods)
Applications of 22.3—99.7% Alumina Al2O3 Ceramic Solid Rods
Alumina ceramic poles provide major advantages in tough settings. These solid poles consist of in between 22.3% and 99.7% aluminum oxide. This structure makes them extremely hard and resistant to wear. They last much longer than numerous metal parts when points scrub with each other. They also deal with high temperatures quite possibly. Furnace components, kiln furniture, and thermocouple security tubes typically use these rods. Extreme warm does not bother them a lot.
Chemical resistance is one more large benefit. Acids and bases normally do not attack these alumina poles. This makes them best for chemical handling devices. Laboratory equipment like stirrers and example owners likewise uses them. They will not pollute delicate responses. You see them in pumps and shutoffs handling aggressive liquids too.
Electrical insulation is crucial. Alumina ceramic is a superb insulator, also at heats. These rods function well in electrical feedthroughs and insulators. They separate high-voltage components securely. Electronics and power generation count on this residential or commercial property. Sensing unit housings commonly make use of alumina rods for defense and insulation.
Their toughness and stability issue. These poles keep their form under mechanical anxiety and heat. They are dimensionally stable. Precision parts in equipment and tools gain from this. They give reliable support and positioning. Wear-resistant overviews and rollers use alumina rods. They decrease friction and last a long period of time.
You find these rods in thermal monitoring systems. They perform heat successfully however withstand electricity. Warm sinks and thermal insulators utilize them. They relocate warm far from sensitive electronics. High-power laser components also need this ability. Alumina poles assist handle the extreme warmth generated.
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 22.3—99.7% Alumina Al2O3 Ceramic Solid Rods
What are Alumina Ceramic Solid Rods made of?
They are made mostly of aluminum oxide, called alumina. The alumina content ranges from 22.3% to 99.7%. Higher alumina means better performance usually. The rest is other materials binding it together. This mix makes them very hard and stable.
How much heat can these rods handle?
They handle high heat very well. Temperatures reach 1600°C (2912°F) for the high-purity types. Lower purity rods handle less heat. They resist sudden temperature changes. This makes them good for furnaces and engines. They don’t melt or weaken easily.
Do chemicals damage these rods?
Most chemicals don’t damage them. They resist acids and alkalis well. Strong bases like sodium hydroxide might attack them. Strong acids like hydrofluoric acid are bad too. They work well in harsh chemical settings. They won’t rust like metal does.
Can you machine these rods into shapes?
Yes, you can machine them. Grinding and lapping work best. It’s harder than machining metal. Special diamond tools are often needed. Get the shape right before firing. Firing makes them very hard. Machining after firing is possible but tougher.
Why pick alumina ceramic rods over metal?
They offer key advantages. Their hardness fights scratches and wear. They insulate electricity very well. Heat doesn’t bother them much. Chemicals leave them alone. They last longer in tough conditions. They are lighter than many metals. They provide reliable performance.

(22.3—99.7% Alumina Al2O3 Ceramic Solid Rods)
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