Overview of High Dielectric Strength Aluminum Oxide Alumina Al2O3 Ceramic Boat Crucible

High Dielectric Strength Aluminum Oxide Alumina Al2O3 Ceramic Boat Crucible is precision-engineered vessels made from 99%+ pure aluminum oxide (Al₂O₃). Designed for high-temperature and corrosive environments, they are widely used in semiconductor processing, heat treatment, CVD/PVD applications, and laboratory experiments. Their superior thermal and chemical stability ensures reliable performance under extreme conditions.

Key Features of High Dielectric Strength Aluminum Oxide Alumina Al2O3 Ceramic Boat Crucible

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

Superior Chemical Resistance – Resists acids, alkalis, and aggressive gases.

High Mechanical Strength – Durable and resistant to thermal shock.

Precision Design – Smooth surfaces & uniform dimensions for consistent processing.

Customizable Shapes & Sizes – Available in standard and tailored configurations.

(High Dielectric Strength Aluminum Oxide Alumina Al2O3 Ceramic Boat Crucible)

Specifications of High Dielectric Strength Aluminum Oxide Alumina Al2O3 Ceramic Boat Crucible

This Alumina Porcelain Watercraft Crucible is made from high-purity Light weight aluminum Oxide (Al2O3). It provides superior dielectric stamina. This indicates it resists electrical break down extremely well under high voltage. This residential property is important for demanding digital applications. The product purity is generally 95% Al2O3 or greater. High purity guarantees regular performance. It lessens contamination dangers for sensitive processes.

The crucible deals with really high temperatures. Its maximum continual operating temperature level reaches 1650 ° C(3002 ° F). It withstands quick temperature adjustments well. This thermal shock resistance stops cracking during heating or cooling cycles. The product is chemically inert. It resists strike from many acids, antacid, and molten steels. This ensures lasting stability in harsh environments.

Mechanical toughness is exceptional. The alumina ceramic supplies great solidity. It provides high compressive toughness. This makes the watercraft crucible durable under tons. It stands up to wear successfully. The surface is very smooth. This decreases sticking of products. It enables very easy cleaning and sample removal. Surface finish is generally Ra ≤ 0.4 µm.

Standard dimensions are available. Typical dimensions include sizes like 100mm, 150mm, 200mm. Sizes are commonly 50mm, 75mm, 100mm. Levels differ, such as 15mm, 20mm, 25mm. Custom dimensions are likewise feasible. Wall thickness is created for toughness and thermal effectiveness. Common wall surface thickness ranges from 3mm to 8mm depending on the size.

These crucibles are ideal for semiconductor processing. They work well in thin movie deposition (PVD, CVD). They are suitable for diffusion furnaces. They execute reliably in high-temperature sintering. They are excellent for annealing procedures. They offer well in logical testing. They are vital for high-voltage electronic part production. The combination of high dielectric toughness, thermal security, and chemical resistance makes them trustworthy. They give regular outcomes batch after batch. They are an essential device in advanced products research and manufacturing.

(High Dielectric Strength Aluminum Oxide Alumina Al2O3 Ceramic Boat Crucible)

Applications of High Dielectric Strength Aluminum Oxide Alumina Al2O3 Ceramic Boat Crucible

Alumina ceramic boat crucibles handle tough jobs. They work well in high temperatures. Many industries rely on them. The semiconductor industry uses them constantly. They carry silicon wafers during diffusion. They hold wafers during oxidation steps. High purity is essential here. Alumina won’t contaminate sensitive wafers. Its dielectric strength prevents electrical issues. Heat doesn’t damage it easily. This keeps processes stable.

Metallurgy needs strong crucibles too. Alumina boats melt metals like gold. They melt silver and platinum also. The material resists chemical attack. Molten metals don’t stick inside. This allows clean pouring. Reuse is possible many times. This saves money long-term.

Laboratories use these crucibles daily. They test materials at extreme heat. They perform chemical analysis. Alumina withstands harsh acids. It withstands strong alkalis too. Crucibles stay intact. Results stay reliable. Sample purity is maintained.

Thin film deposition processes use alumina boats. They hold evaporation sources steadily. Sources heat to very high levels. The boats maintain shape. They don’t react with the source material. Consistent film quality results.

Other applications exist. Sintering processes use them. Brazing operations use them. Any hot, corrosive environment is suitable. Alumina offers electrical insulation. It provides thermal stability. Mechanical strength is high. Wear resistance is good. These properties make it versatile. Alumina ceramic boat crucibles are dependable tools. They solve high-heat material handling problems.

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 High Dielectric Strength Aluminum Oxide Alumina Al2O3 Ceramic Boat Crucible

High Dielectric Strength Alumina (Al2OO3) Ceramic Boat Crucible: Key Questions

What makes high dielectric strength important?
High dielectric strength means the alumina crucible strongly resists electrical breakdown. This is vital in semiconductor processing. Electrical arcing ruins components. These crucibles prevent that. They keep sensitive processes safe.

How hot can these crucibles handle?
Alumina crucibles withstand extreme heat. They operate reliably above 1700°C. This suits demanding furnace applications. They won’t soften or melt. You need stable containers for high-temperature work. These deliver.

Why are they chemically stable?
Alumina is naturally inert. It resists attack from acids, alkalis, and molten salts. This prevents contamination. Your materials stay pure during firing or melting. Purity is critical. These crucibles maintain it.

Can they handle sudden temperature changes?
Yes, they offer good thermal shock resistance. Moving them from hot furnaces to cooler areas is possible. They resist cracking better than many ceramics. This durability matters for repeated use. It saves money over time.

What sizes and shapes are available?
Manufacturers offer many standard sizes and boat designs. Common sizes fit tube furnaces well. Custom shapes are also possible. You find a crucible matching your specific process needs. Check supplier catalogs for details.

(High Dielectric Strength Aluminum Oxide Alumina Al2O3 Ceramic Boat Crucible)