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Overview of High Temperature Electrical Insulators Cylindrical Al2O3 Crucible Alumina Ceramic
High Temperature Electrical Insulators Cylindrical Al2O3 Crucible Alumina Ceramic is high-performance ceramic containers made from 99%+ pure aluminum oxide (Al₂O₃). Designed for extreme thermal and chemical environments, they withstand temperatures up to 1800°C, making them ideal for laboratory, industrial, and research applications such as metal melting, sintering, and chemical analysis.
Key Features of High Temperature Electrical Insulators Cylindrical Al2O3 Crucible Alumina Ceramic
High-Temperature Resistance – Stable up to 1800°C with minimal thermal expansion.
Superior Thermal Shock Resistance – Resists cracking under rapid temperature changes.
Chemical Inertness – Unaffected by acids, alkalis, and molten metals.
High Mechanical Strength – Durable and long-lasting under harsh conditions.
Customizable Sizes & Shapes – Available in standard and tailored designs.

(High Temperature Electrical Insulators Cylindrical Al2O3 Crucible Alumina Ceramic)
Specification of High Temperature Electrical Insulators Cylindrical Al2O3 Crucible Alumina Ceramic
These cylindrical Al2O3 crucibles are made from high-purity alumina ceramic. Alumina ceramic is aluminum oxide (Al2O3). This material excels in extreme warm. These crucibles take care of temperature levels over 1700 ° C quickly. That makes them excellent for demanding heater job. They are likewise excellent electrical insulators. They block power properly also when really warm. This double home is valuable. You need both high heat tolerance and electric insulation in several procedures.
Usual pureness levels are 99.6% Al2O3 or higher. Higher pureness typically indicates much better performance. High pureness provides superb chemical resistance. The crucibles withstand assault from many liquified steels, salts, and chemicals. This resistance prevents contamination of your materials. It additionally extends the crucible’s working life.
Thermal shock resistance is another vital feature. These crucibles cope well with rapid temperature level adjustments. Heating & cooling cycles cause less tension breaking. This resilience is vital for duplicated use. The round form is simple and practical. It promotes even warmth circulation inside the crucible. This shape is additionally easy to handle and clean. Requirement dimensions are available. Custom-made sizes can typically be created also.
Applications are widespread. Utilize them in lab research study. Use them in high-temperature product testing. They are vital in steel melting and spreading. They function well in semiconductor crystal growth. They offer in warm treatment procedures. They are important in powder metallurgy. These crucibles provide dependability under hard conditions. They supply a steady, inert container for important high-heat tasks. Their electrical insulation adds safety and process control where roaming currents are a problem.

(High Temperature Electrical Insulators Cylindrical Al2O3 Crucible Alumina Ceramic)
Applications of High Temperature Electrical Insulators Cylindrical Al2O3 Crucible Alumina Ceramic
High temperature electrical insulators made from round Al2O3 crucible alumina ceramic are vital popular industrial setups. This product is exceptionally hard. It withstands extreme warm quite possibly. Alumina ceramic crucibles deal with temperature levels much past what metals can withstand. They also resist chemical deterioration successfully. This makes them best for harsh chemical procedures. Their electric insulation buildings stay strong even at heats. This is essential for safety and performance.
Laboratories count greatly on these crucibles. Researchers utilize them for melting metals. They are utilized for calcining powders. They execute high purity chain reaction. The cylindrical shape is practical. It allows efficient heating in common heaters. The smooth surface protects against contamination. This makes sure example purity.
The semiconductor market requires these components. Alumina insulators sustain wafer handling tools. They separate heating elements in deposition systems. Their stability protects against particle generation. This is critical for making microchips. Any type of contamination damages the delicate process.
Industrial heaters use alumina tubes as linings. They safeguard the heater framework. They consist of molten materials safely. These tubes likewise act as thermocouple defense sheaths. They shield temperature sensing units from straight fire call. This provides exact analyses in kilns and foundries.
Heat treatment operations depend upon alumina ceramics. They create fixtures and setters. These hold metal parts during setting or annealing. The ceramic does not react with warm metals. It supplies consistent thermal insulation. This ensures uniform component therapy.
Metal spreading uses Al2O3 crucibles. They thaw responsive alloys like titanium. Traditional materials stop working with these metals. Alumina crucibles make it through the intense heat and chemical activity. They allow specific alloy production.
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)

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T/T, Western Union, Paypal, Credit Card etc.
Shipment Methods
By air, by sea, by express, as customers request.
5 FAQs of High Temperature Electrical Insulators Cylindrical Al2O3 Crucible Alumina Ceramic
High Temperature Electrical Insulators: Cylindrical Al2O3 Crucible Alumina Ceramic FAQs
What is this crucible made from?
This crucible is made from alumina ceramic. Alumina ceramic is mostly aluminum oxide (Al₂O₃). It is a very hard material. It handles extreme heat well. It is also a good electrical insulator. This makes it perfect for high temperature electrical insulation jobs.
How hot can this crucible get?
These crucibles handle very high temperatures. The exact maximum temperature depends on the specific Al₂O₃ grade. Common grades safely work from 1500°C to 1800°C (2732°F to 3272°F). Always check the manufacturer’s exact rating for your crucible.
Does it crack with sudden temperature changes?
Alumina ceramic resists thermal shock better than many other ceramics. Thermal shock means cracking from fast heating or cooling. Its high purity helps here. But it is still a ceramic. Avoid extreme, rapid temperature swings. Heat it up and cool it down slowly whenever possible. This prevents cracking.
What chemicals won’t damage it?
Alumina ceramic is chemically very stable. It resists attack from many acids and alkalis. It is particularly good against strong bases. It also handles molten metals well. But some very strong acids or molten salts might damage it over time. Check chemical compatibility for your specific use.
How do I clean it after use?
Cleaning depends on what was inside. For general residue, use mechanical methods first. Gently scrape or sandblast. Avoid harsh impacts. For stubborn deposits, soaking might help. Use mild acids or alkalis suitable for alumina. Avoid hydrofluoric acid. It damages alumina ceramic. Always rinse thoroughly after cleaning.

(High Temperature Electrical Insulators Cylindrical Al2O3 Crucible Alumina Ceramic)
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