Professional Premium Aluminum Oxide Products Supplier
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Overview of High Purity 99.8% Aluminum Oxide Alumina Ceramic 2 Bore 4 Bore 2 Hole 4 Hole Multi Hole Ceramic Pipe One End Closed Ceramic Tube
High Purity 99.8% Aluminum Oxide Alumina Ceramic 2 Bore 4 Bore 2 Hole 4 Hole Multi Hole Ceramic Pipe One End Closed Ceramic Tube is manufactured from 99%+ pure aluminum oxide (Al₂O₃), offering exceptional thermal stability and mechanical strength. Designed to operate in temperatures up to 1800°C, these precision-engineered tubes feature outstanding resistance to thermal shock, corrosion, and wear.
Ideal for thermocouple protection, furnace liners, semiconductor processing, and high-temperature sensor housings, our alumina tubes maintain structural integrity in the most demanding industrial and laboratory environments.
Key Features of High Purity 99.8% Aluminum Oxide Alumina Ceramic 2 Bore 4 Bore 2 Hole 4 Hole Multi Hole Ceramic Pipe One End Closed Ceramic Tube
Ultra-High Temperature Resistance – Stable performance up to 1800°C
Superior Thermal Shock Resistance – Withstands rapid temperature cycling
Excellent Chemical Inertness – Resists acids, alkalis, and molten metals
High Mechanical Strength – Exceptional hardness and wear resistance
Electrical Insulation – Ideal for electronic and semiconductor applications
Customizable Dimensions – Available in various lengths, diameters, and wall thicknesses

(High Purity 99.8% Aluminum Oxide Alumina Ceramic 2 Bore 4 Bore 2 Hole 4 Hole Multi Hole Ceramic Pipe One End Closed Ceramic Tube)
Specifications of High Purity 99.8% Aluminum Oxide Alumina Ceramic 2 Bore 4 Bore 2 Hole 4 Hole Multi Hole Ceramic Pipe One End Closed Ceramic Tube
These ceramic tubes make use of top-grade light weight aluminum oxide. This material is 99.8% pure. High purity means exceptional performance. The alumina ceramic offers fantastic hardness. It withstands wear very well. It manages extreme heat easily. These tubes function fine up to 1600 ° C. They likewise stand up to chemical assault. Strong acids and bases don’t damage them. They offer great electric insulation as well.
Televisions come in numerous birthed designs. You can obtain variations with two bores. You can get versions with 4 bores. These are called multi-bore tubes. Some tubes have two openings. Some tubes have 4 holes. These are multi-hole tubes. The precise bore dimension and spacing can vary. We make tubes to match your specific requirements. Inform us your needed measurements.
A vital choice is the one end shut style. This means one end of the tube is sealed shut. The other end remains open. This creates a protective cup or sleeve. The closed end guards sensitive elements. It quits material from getting in that end. The open end enables mounting or accessibility. This design works in lots of rough settings.
These alumina tubes are exceptionally long lasting. They last much longer than metal parts. They won’t rust or corrosion. They keep their shape under high warm. They preserve electrical seclusion continually. Their smooth surface area lessens friction. This aids in directing applications. Their toughness deals with mechanical anxiety well. They are perfect for requiring industrial jobs. Believe furnace parts, sensing unit housings, or insulators. They additionally function well in semiconductor tools. Accuracy is assured. We manage the manufacturing tightly. Every tube meets strict high quality checks.

(High Purity 99.8% Aluminum Oxide Alumina Ceramic 2 Bore 4 Bore 2 Hole 4 Hole Multi Hole Ceramic Pipe One End Closed Ceramic Tube)
Applications of High Purity 99.8% Aluminum Oxide Alumina Ceramic 2 Bore 4 Bore 2 Hole 4 Hole Multi Hole Ceramic Pipe One End Closed Ceramic Tube
High pureness alumina ceramic tubes use important advantages in demanding settings. These elements are made from 99.8% aluminum oxide. This material is exceptionally tough. It resists wear incredibly well. It deals with extremely high heat. It offers superb electrical insulation. It stands up to strong chemicals. These properties make these tubes trustworthy long-term remedies.
The multi-bore layouts are essential. Tubes with two or 4 identical holes prevail. These different networks handle different liquids or gases. They prevent cross-contamination definitely. This is vital for delicate procedures. Semiconductor manufacturing uses these tubes extensively. They handle destructive gases and high temperatures in wafer processing. Precision is non-negotiable in this field.
Laboratory equipment relies on these ceramic tubes. They act as safety sheaths for thermocouples. They shield sensors in severe chemical settings. The one-end-closed design includes extra security. It secures the sensitive end entirely. Heating system cellular linings and kiln furniture utilize these tubes. They give thermal insulation and structural assistance accurately. They last much longer than steel parts under intense warmth.
Electric applications benefit considerably. High voltage feedthroughs utilize alumina tubes. The material shields properly at extreme voltages. Heating elements usually rest inside these tubes. The ceramic isolates the hot aspect securely. Sensor housings in industrial setups require this protection. Televisions guard against physical damages and chemical assault. They ensure exact readings regularly.
The accurate bores guide materials properly. Laser systems utilize them for beam placement. Optical tools uses them for element placing. The smooth inner surface area decreases rubbing. It enables easy passage of wires or fibers. Constant measurements are ensured. This precision is vital for automated production line. Dependability is vital in these applications. These alumina ceramic tubes provide it constantly.
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 Purity 99.8% Aluminum Oxide Alumina Ceramic 2 Bore 4 Bore 2 Hole 4 Hole Multi Hole Ceramic Pipe One End Closed Ceramic Tube
What is this ceramic tube made of?
It’s high purity aluminum oxide ceramic. The purity is 99.8%. This makes the tube very hard and resistant to wear. It handles extreme heat well. It also resists strong chemicals effectively. This material is reliable for tough jobs.
How hot can these tubes get?
These tubes handle heat well. Their maximum continuous use temperature is 1650°C (3002°F). They won’t melt or break down easily at high temperatures. This makes them good for furnaces and kilns. They can withstand thermal shock too.
What sizes do the holes come in?
We offer tubes with two holes or four holes. The hole sizes are typically 2mm bore or 4mm bore. The exact sizes can be adjusted. Tell us your specific bore diameter needs. We can make it to fit.
Why is one end closed?
One end is sealed shut. This creates a protective barrier. It stops liquids or gases from entering the tube’s end. It’s useful for sensor protection or guiding wires. The closed end keeps things contained and clean inside.
Can I get different shapes or features?
Yes, custom work is possible. We can change the tube length or outer diameter. We offer different bore sizes beyond 2mm or 4mm. We can add special grinding or boring. Tell us what you need. We will try to make it.

(High Purity 99.8% Aluminum Oxide Alumina Ceramic 2 Bore 4 Bore 2 Hole 4 Hole Multi Hole Ceramic Pipe One End Closed Ceramic Tube)
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