1. Porous alumina tubes are known for their excellent thermal stability, chemical resistance, and high porosity. 2. The inherent strength and thermal shock resistance of porous alumina tubes make them an ideal choice for high-temperature environments. 3. The excellent wear resistance and electrical insulation performance of porous alumina tubes enhance their functionality in various professional applications. 4. The porous alumina tube structure allows for effective gas and fluid flow, making these tubes ideal for filtration and insulation under extreme conditions.