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Overview of Hot 99% 95% 85% 80% 75% 60% 50% Alumina Ceramic Tube High Hardness Insulation Tubes / Pipe / Rod
Hot 99% 95% 85% 80% 75% 60% 50% Alumina Ceramic Tube High Hardness Insulation Tubes / Pipe / Rod 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 Hot 99% 95% 85% 80% 75% 60% 50% Alumina Ceramic Tube High Hardness Insulation Tubes / Pipe / Rod
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

(Hot 99% 95% 85% 80% 75% 60% 50% Alumina Ceramic Tube High Hardness Insulation Tubes / Pipe / Rod)
Specifications of Hot 99% 95% 85% 80% 75% 60% 50% Alumina Ceramic Tube High Hardness Insulation Tubes / Pipe / Rod
Below are the specifications for our Alumina Porcelain Tubes. These tubes are available in different pureness levels: 99%, 95%, 85%, 80%, 75%, 60%, and 50% alumina. Higher alumina indicates far better efficiency. The material is really difficult. It withstands wear very well. This firmness secures television in tough conditions.
The tubes deal with extreme warm. They function fine in temperature levels over 1500 ° C. This makes them secure for heating systems and kilns. They protect power really properly. They block electrical energy also at high voltages. This property is important for electrical parts. The product takes care of abrupt temperature level changes. It will not break easily going from warm to cold rapidly. This benefits fast heating or cooling tasks.
These tubes withstand chemical strike. Acids and alkalis won’t damage them a lot. This works in chemical plants or laboratories. They are very solid mechanically. They maintain their form under heavy loads. This stamina is essential for structural components. The surface area is smooth. It remains clean conveniently. This helps in exact applications.
You find these tubes in several locations. They work well as furnace liners. They secure thermocouples as sheaths. They direct lasers or instruments as sleeves. They form parts of electric insulators. They function as safety liners in pipelines. They act as providers in kilns. They are used for sensor protection. They are found in semiconductor devices. They are common in laboratory tools. They support heating elements.
Select the alumina percent based upon your needs. Greater purity (99%, 95%) offers leading warmth resistance. It provides the most effective electrical insulation. It supplies exceptional chemical resistance. It gives maximum firmness. Mid-level pureness (85%, 80%, 75%) balances price and performance. It deals with most commercial work well. Reduced pureness (60%, 50%) is a lot more economical. It helps much less requiring heat scenarios. It still supplies excellent insulation and strength.

(Hot 99% 95% 85% 80% 75% 60% 50% Alumina Ceramic Tube High Hardness Insulation Tubes / Pipe / Rod)
Applications of Hot 99% 95% 85% 80% 75% 60% 50% Alumina Ceramic Tube High Hardness Insulation Tubes / Pipe / Rod
Alumina ceramic tubes been available in numerous pureness qualities like 99%, 95%, 85%, 80%, 75%, 60%, and 50%. These tubes are exceptionally hard. They withstand put on quite possibly. High purity tubes (99%, 95%) manage severe warm flawlessly. They are excellent electrical insulators. They additionally resist chemical attack strongly. This makes them important sought after setups.
High purity alumina tubes see heavy usage in high-temperature furnaces. They form thermocouple protection sheaths. They work as kiln furniture supports. Semiconductor handling relies upon them for wafer boats and diffusion tubes. Lab devices uses them for example owners and reaction tubes. Their electrical insulation protects against brief circuits. Their smooth surface area reduces contamination.
Mid-purity tubes (85%, 80%, 75%) use piece de resistance as well. They withstand high temperatures accurately. Their hardness safeguards versus abrasion. These tubes prevail in industrial burner. They shield home heating cords efficiently. Factories use them for molten metal managing components. Wear-resistant liners usually use this material. Electric bushings and insulators benefit from their homes. They are much more cost-effective than leading qualities.
Lower pureness alumina (60%, 50%) still provides useful firmness and insulation. These tubes are very tough. They use excellent thermal shock resistance. This makes them ideal for less severe applications. They work well for guides, rollers, and spacers. They serve in burner nozzles and view glasses. Safety sleeves use this economical product. They are sensible where ultimate purity isn’t crucial. They deliver solid insulation and put on resistance economically.
These tubes are offered as tubes, pipelines, and rods. The form depends upon the certain work. Selecting the best pureness balances performance needs and expense. Higher purity means far better warm resistance and chemical resistance. Lower purity offers greater strength and economy. Each quality finds its area across numerous sectors.
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 Hot 99% 95% 85% 80% 75% 60% 50% Alumina Ceramic Tube High Hardness Insulation Tubes / Pipe / Rod
Here are the top 5 questions people ask about our Hot Alumina Ceramic Tubes:
What are these alumina ceramic tubes good for?
These tubes handle extreme heat very well. They are super hard and resist wear. They are excellent electrical insulators. People use them inside furnaces, for thermocouple protection, in semiconductor tools, and for high-voltage parts. They work where metal or plastic fails.
Why are there different purity levels like 99% or 80%?
Higher purity means better performance usually. 99% alumina gives the best heat resistance, strength, and insulation. It costs more. Lower purity grades like 85% or 75% are still very tough and heat resistant. They cost less. You pick the purity matching your specific heat needs and budget. 95% is a popular balance.
How hot can these tubes get?
The max temperature depends on the purity. Our 99% tubes handle continuous use up to 1700°C easily. 95% tubes are good for about 1650°C. Lower purity tubes, like 80%, work well up to 1400-1500°C. Always check the exact grade specs. They handle sudden temperature changes well too.
Why use ceramic instead of metal tube?
Metal conducts electricity and heat. These alumina tubes do not. They insulate electrically. They resist much higher temperatures than most metals. They don’t melt or oxidize like metal can. They are harder and resist abrasion better. They are perfect for isolating hot or electrically live parts.
Is the surface smooth? Can you machine them?
The standard surface is good for most jobs. It’s smooth but not polished. We offer precision grinding for a finer finish if needed. Alumina is very hard. Machining after firing is difficult and expensive. It needs diamond tools. Tell us your exact size and finish needs upfront. We make them to order that way. Handle them carefully. They are strong but can chip if hit hard.

(Hot 99% 95% 85% 80% 75% 60% 50% Alumina Ceramic Tube High Hardness Insulation Tubes / Pipe / Rod)
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