Introduction to Alumina Ceramics

Alumina ceramics are known for their high hardness, wear resistance, corrosion resistance, good electrical insulation and high temperature stability. According to the different alumina content, it can be divided into different grades, such as 95 porcelain, 99 porcelain, etc., among which 99 porcelain refers to ceramic materials with an alumina content of 99%. As the alumina content increases, its mechanical strength and electrical insulation properties will also increase accordingly.

Characteristics of Alumina Ceramics

High Hardness: Alumina ceramics have extremely high hardness, which makes it very wear-resistant and suitable for manufacturing abrasive tools and parts that require wear resistance.

Wear resistance: Due to its high hardness, alumina ceramics show excellent wear resistance and are suitable for manufacturing parts for long-term use.

Corrosion resistance: Alumina ceramics have good resistance to most acids and alkalis, making them widely used in the chemical industry.

Good electrical insulation: As an excellent electrical insulating material, alumina ceramics are widely used in electronic and electrical products.

High temperature stability: Ability to withstand extremely high temperatures without significant physical or chemical changes, which makes it an ideal choice for applications in high temperature environments.

Biocompatibility: In the medical field, certain grades of alumina ceramics are used to make medical devices such as artificial joints due to their good biocompatibility.

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Specifications of 95% 96% 99% Aluminum Oxide Alumina Ceramic Rod / Cylinder / Stick / Roller / Shaft / Solid Tube

Light weight aluminum oxide ceramic products are made from high-purity alumina. These consist of rods, cylinders, sticks, rollers, shafts, and solid tubes. The material is available in 3 qualities: 95%, 96%, and 99% aluminum oxide. Each quality matches different industrial requirements based on efficiency requirements.

The 95% alumina ceramic is economical. It is extensively made use of generally industrial applications. This grade provides good mechanical toughness. It resists abrasion and corrosion. It functions well in environments with moderate temperatures. Usual usages consist of wear-resistant liners and insulating components.

The 96% alumina ceramic carries out better than the 95% grade. It has greater density and enhanced firmness. This makes it optimal for extreme conditions. It handles higher thermal tension. It appropriates for electrical insulation components. Applications consist of heating system fixtures and semiconductor handling tools.

The 99% alumina ceramic is the highest purity. It supplies superior properties. It has superb hardness and thermal stability. It withstands extreme temperatures approximately 1650 ° C. Its reduced thermal expansion minimizes cracking under heat. This quality is used in high-precision industries. Examples include laser parts and medical tools.

All grades share crucial functions. They are chemically inert. They withstand acids and alkalis. They provide strong electric insulation. Surface area coatings can be personalized. Alternatives include polished, ground, or as-sintered structures. Dimensions differ from tiny rods to huge rollers. Diameters range from 1mm to 150mm. Lengths can exceed 500mm.

These ceramics are chosen for longevity. They outlast steels and plastics in rough setups. They keep dimensional security under stress. They run successfully in high-voltage systems. They are light-weight contrasted to steel. This lowers energy usage in relocating parts.

Normal sectors utilizing these items include aerospace, vehicle, and electronic devices. They are additionally made use of in chemical processing and metallurgy. Clinical gadgets gain from their biocompatibility. Custom shapes are offered for specialized machinery.

Technical specs vary by grade. Density boosts with alumina material. The 95% grade has a thickness of 3.6 g/cm TWO. The 96% reaches 3.7 g/cm FIVE. The 99% achieves 3.9 g/cm FOUR. Solidity complies with the same fad. The 99% quality exceeds 80 HRA. All qualities endure voltages over 15 kV/mm.

Handling approaches include extrusion and completely dry pressing. Post-sintering machining ensures precision. Tolerances are tight, typically within ± 0.5%. Surface roughness can be as low as 0.2 μm. These ceramics are packaged to stop damages throughout delivery.

(95% 96% 99% Aluminum Oxide Alumina Ceramic Rod / Cylinder / Stick / Roller / Shaft / Solid Tube)

Applications of 95% 96% 99% Aluminum Oxide Alumina Ceramic Rod / Cylinder / Stick / Roller / Shaft / Solid Tube

Aluminum oxide porcelains (alumina) in 95%, 96%, and 99% purity grades are commonly utilized across sectors for their high firmness, warmth resistance, and electrical insulation. These materials are available in kinds like poles, cyndrical tubes, sticks, rollers, shafts, and solid tubes, each offering certain features.

95% alumina ceramic components take care of general industrial tasks. They work well in electric insulation for gadgets like breaker or spark plugs. Their modest expense fits applications requiring toughness without extreme efficiency. Instances consist of wear-resistant guides in machinery or safety sleeves in high-temperature sensors.

96% alumina supplies far better density and mechanical strength. It is common in atmospheres with hefty friction or modest thermal tension. Rollers made from 96% alumina relocation materials smoothly in conveyor systems. Shafts in pumps or motors lower wear in harsh liquids. This quality equilibriums efficiency and cost for equipment like cutting devices or grinding media.

99% alumina delivers top-tier residential properties. It resists extreme temperatures (over 1600 ° C) and chemical corrosion. Semiconductor handling makes use of 99% alumina rods for wafer handling. High-purity tubes protect burner in heating systems. Medical tools use this grade for its biocompatibility, such as surgical tool elements.

Alumina ceramic poles and cyndrical tubes act as structural assistances in high-heat zones. Solid tubes transport gases or liquids in aggressive chemical setups. Rollers maintain accuracy in printing or packaging equipment. Personalized forms are machined for specialized uses like laser parts or sensing unit housings.

These ceramics are selected for their long life in extreme problems. They change metals in applications needing electric insulation or resistance to oxidation. Their lightweight nature decreases power use in moving parts. Surface area surfaces can be adapted to control friction or boost securing.

Machining alumina needs diamond tools due to its hardness. Tolerances are limited for parts used in accuracy tools. Grades are chosen based on temperature level, stress, and environmental factors. Lower-purity ceramics save expenses for non-critical uses. Greater grades guarantee dependability in advanced technology or clinical areas.

Alumina’s flexibility makes it important in electronic devices, auto, aerospace, and manufacturing. Custom-made makes address distinct difficulties, from thermal administration to use decrease. The material’s security guarantees regular performance gradually.

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5 FAQs of 95% 96% 99% Aluminum Oxide Alumina Ceramic Rod / Cylinder / Stick / Roller / Shaft / Solid Tube

What are the main differences between 95%, 96%, and 99% alumina ceramic products?
Higher purity means better performance. Aluminum oxide content at 99% offers stronger hardness, higher wear resistance, and better stability under extreme temperatures. Products with 95% or 96% purity are cost-effective for general industrial use. The 99% grade suits high-precision or high-stress applications.

Where are these alumina rods, rollers, or shafts typically used?
These parts work in machinery, electronics, medical devices, and high-temperature environments. Examples include conveyor rollers, precision shafts, or insulating components. Their heat resistance and durability make them ideal for industrial equipment exposed to friction or thermal stress.

What temperature can these alumina ceramic components handle?
Alumina ceramic handles high heat. The 95% and 96% grades withstand up to 1650°C. The 99% grade resists temperatures up to 1750°C. Thermal shock resistance varies with purity. Sudden temperature changes may cause cracks in lower-purity grades.

Are alumina ceramic rods and rollers resistant to chemicals?
Yes. All grades resist acids, alkalis, and corrosive substances. The 99% grade performs better in harsh chemical environments. This makes it suitable for labs, chemical processing, or areas with frequent chemical exposure.

Can these components be customized in size or shape?
Yes. Manufacturers adjust dimensions, diameters, lengths, and surface finishes. Tighter tolerances are possible for high-purity grades. Custom shapes require precise molding or machining. Production time may increase for complex designs. Higher purity grades may cost more for detailed customization.

(95% 96% 99% Aluminum Oxide Alumina Ceramic Rod / Cylinder / Stick / Roller / Shaft / Solid Tube)