Alumina Tube One End Closed for Industrial Use

• High Purity Material – Manufactured from premium-grade ceramic, this Alumina Tube One End Closed ensures excellent mechanical strength and reliable performance in demanding environments.
   
• Closed-End Design – One end sealed construction provides enhanced containment, making it ideal for thermocouple protection and high-temperature applications.
   
• Superior Thermal Resistance – Withstands extremely high temperatures while maintaining dimensional stability and structural integrity.
   
• Excellent Electrical Insulation – Offers outstanding dielectric properties, suitable for electrical and electronic insulation applications.
   
• High Wear & Corrosion Resistance – Resistant to abrasion, chemicals, acids, and alkalis for long-lasting performance.
   
• Strong Mechanical Durability – High compressive strength ensures resistance to cracking and mechanical stress.
   
• Precision Manufacturing – Uniform wall thickness, smooth inner and outer surface finish, and tight tolerances for consistent industrial performance.

Feature	Details
Product Name	Alumina Tube (One End Closed)
Material	High Purity Aluminum Oxide (Al₂O₃) Ceramic
Target Application	Alumina Tube One End Closed for high-temperature & insulation use
Purity	99% – 99.8% Al₂O₃
Density	3.7 – 3.9 g/cm³
Hardness	9 Mohs
Flexural Strength	300 MPa
Compressive Strength	2000 MPa
Maximum Operating Temperature	Up to 1600°C
Thermal Conductivity	20–30 W/m·K
Electrical Insulation	Excellent dielectric strength
Outer Diameter (OD)	2 mm – 150 mm (Custom sizes available)
Inner Diameter (ID)	As per specification
Length	Customizable
End Type	One End Fully Closed / Sealed
Surface Finish	As-sintered / Precision Ground
Color	White / Ivory
Applications	Thermocouple protection tubes, Furnace liners, Kiln components, Electrical insulation housings, Laboratory equipment
Storage	Store in dry area; avoid sudden impact or thermal shock

1. What is an alumina tube one end closed?
An alumina tube one end closed is a high-performance ceramic tube made from aluminum oxide (Al₂O₃) with one sealed end, commonly used for high-temperature and electrical insulation applications.

2. What are alumina tube one end closed used for?
These tubes are widely used as thermocouple protection tubes, sensor housings, furnace tubes, and high-temperature laboratory components.

3. What purity levels are available for alumina tubes?
Alumina tube one end closed products are typically available in 95%, 99%, 99.5%, and 99.7% purity grades, depending on performance requirements.

4. What temperature can an alumina tube one end closed withstand?
High purity alumina tubes can operate continuously at temperatures up to 1600°C–1700°C, depending on grade and working conditions.

5. Is alumina tube one end closed chemically resistant?
Yes, alumina tubes offer excellent resistance to acids, alkalis, oxidation, and corrosion, making them ideal for harsh industrial environments.