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Overview of High Pure 99% Al2o3 Porous Alumina Ceramic Insulator Tube with 4-holes
High Pure 99% Al2o3 Porous Alumina Ceramic Insulator Tube with 4-holes 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 Pure 99% Al2o3 Porous Alumina Ceramic Insulator Tube with 4-holes
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 Pure 99% Al2o3 Porous Alumina Ceramic Insulator Tube with 4-holes)
Specifications of High Pure 99% Al2o3 Porous Alumina Ceramic Insulator Tube with 4-holes
This High Pure 99% Al2O3 Permeable Alumina Ceramic Insulator Tube features 4 precisely created holes. It’s made from nearly pure light weight aluminum oxide. This ensures outstanding electrical insulation homes. The material additionally offers outstanding thermal security. It withstands extremely heats accurately.
The unique porous structure is a vital advantage. This porosity permits controlled gas or fluid flow with television walls. It avoids stress buildup inside television. This is essential in many sensing unit and probe applications. The pores are tiny and evenly distributed. This maintains the tube’s architectural honesty under stress and anxiety.
The 4 holes run parallel along the tube’s length. They are developed for putting wires or small components. You can path numerous elements easily via a solitary system. This streamlines setting up and enhances dependability. The holes are smooth and precisely sized. This ensures simple insertion and secures delicate cables.
This tube uses exceptional resistance to harsh chemicals. It will not rust conveniently. It handles solid acids and bases well. The product is additionally highly immune to use. It lasts a long time popular atmospheres. Its high pureness lessens contamination threats. This is essential in sensitive procedures like semiconductor production.
Mechanical strength is impressive in spite of the porosity. The tube stands up to cracking and chipping. It executes dependably under resonance and thermal cycling. Its light-weight nature is an additional benefit. It includes marginal load to setups. The porous alumina surface area supplies great hold. Parts remain securely in place.
Applications include thermocouple protection, sensor sheaths, and insulating sleeves. It’s perfect for furnace use, kilns, and analytical equipment. The combination of pureness, porosity, thermal insulation, and electric resistance makes it flexible. The four-hole style adds considerable practical flexibility. This tube provides robust efficiency consistently.

(High Pure 99% Al2o3 Porous Alumina Ceramic Insulator Tube with 4-holes)
Applications of High Pure 99% Al2o3 Porous Alumina Ceramic Insulator Tube with 4-holes
This high pureness 99% Al2O3 porous alumina ceramic tube functions 4 specific holes. Its unique structure offers distinctive benefits. The small pores allow gases travel through conveniently. This makes television perfect for a number of demanding jobs.
Thermocouples and temperature sensing units count on these tubes. The ceramic guards the delicate cords inside. It safeguards versus rough conditions. Television manages extreme warm without damaging. Abrupt temperature changes don’t split it. The 4 holes nicely arrange numerous sensor cords or thermocouple aspects. This keeps everything steady and separate. Accuracy enhances.
Industrial burner profit significantly. Television borders the home heating cord. It provides strong electrical insulation. This stops dangerous shorts. The porous design allows warmth to escape effectively. The element heats up quickly. Performance remains consistent. The material endures destructive furnace environments. Lengthy life span prevails.
Lab tools makes use of these tubes too. Gas evaluation sensors require defense. The porous tube imitates a guard. It lets gas examples get to the sensor. Impurities are removed. The sensing unit remains clean. Analyses remain reliable. The high pureness ceramic won’t hinder delicate measurements. Information honesty matters.
Electronics needing insulation in hot, gas-filled environments find this tube valuable. It holds elements securely. Electrical seclusion is ensured. Warm dissipation happens efficiently. The four openings manage electrical wiring easily. Area is conserved. Assembly becomes simpler. Integrity boosts.
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 Pure 99% Al2o3 Porous Alumina Ceramic Insulator Tube with 4-holes
What makes this insulator tube special?
Its material is key. We use 99% pure alumina. This ensures top performance. The porous structure helps too. It traps air for excellent insulation. This beats solid ceramics.
Why four holes?
The holes serve a clear purpose. They organize wiring neatly. You can route multiple wires separately. This prevents short circuits. It also simplifies installation.
How much heat can it take?
This tube handles extreme temperatures. It works fine up to 1700°C (3092°F). Sudden temperature changes won’t crack it easily. That thermal shock resistance is vital in demanding settings.
Where is this tube typically used?
Its main use is in high-temperature electronics. Think thermocouples and sensors inside furnaces or kilns. Industrial heaters need it too. Any place needing reliable insulation under intense heat benefits.
How do I clean and maintain it?
Cleaning is straightforward. Use compressed air to blow out dust. For tougher dirt, a soft brush with mild detergent works. Avoid harsh chemicals. They might damage the porous surface over time. Handle it carefully to prevent chips.

(High Pure 99% Al2o3 Porous Alumina Ceramic Insulator Tube with 4-holes)
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