博文

Alumina Ceramic Hexagonal Tiles: High-Performance Wear-Resistant Solution

图片
Alumina ceramic hexagonal tiles are a key component widely used in the field of industrial wear protection. They are manufactured by high-temperature sintering of high-purity alumina (Al ₂ O ₃ ), typically with an alumina content of not less than 92%. Their standard hexagonal geometric design ensures tight interlocking and gapless coverage on liner surfaces, effectively preventing material abrasion and impact. This product is primarily used as a protective lining on vulnerable parts of various industrial equipment, significantly extending their service life. These ceramic tiles are renowned for their exceptional physical and chemical properties. With a Mohs hardness of grade 9, second only to diamond, they offer superior wear resistance. A typical bulk density of 3.6 g/cm ³ provides high strength and impact resistance. Furthermore, they possess an extremely low coefficient of friction, excellent corrosion resistance, and stable chemical inertness. They maintain stable performance under...
发表评论
阅读全文

High-Efficiency and Powerful Adsorption Activated Alumina Ceramic Balls

图片
Activated alumina ceramic balls are a porous, highly dispersed solid material, primarily composed of transitional alumina phases (such as γ -Al2O3). They are produced through specific thermal activation processes using industrial aluminum hydroxide or aluminum salts as raw materials. Their internal structure features a developed pore network, resulting in a high specific surface area, while their surface properties exhibit high reactivity and excellent adsorption capacity. Typical physical characteristics include a porosity of approximately 45%-55%, a specific surface area usually between 200-360 m ² /g, and a bulk density ranging from 0.68 to 0.85 g/cm ³ . They possess high mechanical strength, good abrasion resistance, and strong chemical stability, maintaining structural integrity under various pH conditions and at elevated temperatures. This material finds extensive application in fields such as petrochemicals, chemical engineering, gas separation and purification, environmental pr...
发表评论
阅读全文

Alumina Ceramic Liners: A Reliable Anti-Wear Solution for Mill Equipment

图片
Alumina ceramic liners are industrial ceramic products primarily made from high-purity alumina (Al ₂ O ₃ ) and sintered at high temperatures. They possess a Mohs hardness of up to 9 (second only to diamond), a Rockwell hardness (HRA) of ≥ 85, and a typical bulk density exceeding 3.6 g/cm ³ . This material offers exceptional wear resistance, good corrosion resistance, and excellent impact resistance, effectively protecting against severe abrasion and impact generated during material grinding and transportation. In mill equipment, they are primarily applied to key wear-prone areas such as cylinder shells, chutes, pipelines, and fan blades as protective layers to extend the service life of the main equipment. In practical applications, alumina ceramic liners are primarily fixed to the substrate surface of equipment via adhesive bonding or mechanical inlaying. Their extremely low coefficient of friction facilitates material flow, reducing blockages and energy consumption. Compared to trad...
发表评论
阅读全文

The application of alumina ceramic packing balls

图片
Inert alumina ceramic balls are versatile industrial materials composed primarily of aluminum oxide (Al₂O₃), with content ranging from 17% to 99.5%. Based on composition and structure, they are mainly categorized into packing balls and grinding balls. Inert ceramic balls include ordinary ceramic balls, inert alumina ceramic balls, medium-alumina balls, and high-alumina balls, widely used in petroleum, chemical, fertilizer, natural gas, and environmental protection industries as covering support materials for catalysts in reactors and tower packing. Grinding balls serve as grinding media in fine crushing equipment like ball mills. These balls are manufactured through high-temperature sintering processes, exhibiting characteristics of high temperature and pressure resistance, strong chemical stability, and low water absorption, enabling them to withstand corrosion from acids, alkalis, other organic solvents, and adapt to temperature variations during production. The performance of Inert...
发表评论
阅读全文

99% Alumina Bulletproof Ceramics: An Analysis of High-Performance Protective Materials

图片
99% alumina bulletproof ceramic is a high-performance protective material widely used in personal bulletproof equipment, vehicle armor, and aviation protection systems due to its exceptional hardness and energy dispersion capabilities. Classified under the standard alumina ceramic series (with Al2O3 content ranging from 98% to 99.7%), this material is an ideal choice for ballistic protection because of its high melting point, high hardness, and excellent mechanical properties. Material Properties and Ballistic Mechanism: 99% alumina ceramic boasts high hardness (Mohs hardness 9) and density (≥3.9 g/cm³), enabling it to effectively blunt or destroy incoming projectiles. Upon projectile impact, the ceramic fractures and comminutes, absorbing the projectile's kinetic energy and dispersing the impact force over a larger area. Research indicates that higher purity alumina ceramics (99.5%) exhibit superior ballistic performance, with a higher ballistic efficiency factor compared to 95% a...
发表评论
阅读全文

Technical Analysis of the Ceramic-Rubber-Steel Triple-Composite Wear Liner

图片
The Wear-Resistant Ceramic-Rubber-Steel Triple-Composite Wear Liner is a high-performance composite material engineered through vulcanization to integrate the high hardness of alumina ceramic, the high elasticity of rubber, and the mechanical strength of steel into a unified structure. Its design enables synergistic protection: the ceramic layer resists abrasion, the rubber layer absorbs impact energy, and the steel plate provides structural support and easy installation. The typical manufacturing process involves pre-bonding ceramic blocks (Al₂O₃ content ≥95%) to a rubber layer using high-strength adhesive, followed by vulcanization with a steel plate under high temperature and pressure, ensuring an interlayer peel strength ≥30 N/mm². This material is designed for severe abrasion and high-impact conditions, such as material handling systems in mining, power, and metallurgical industries. The liner's performance is defined by precise metrics of each component. The ceramic layer typ...
发表评论
阅读全文

How to Choose Alumina Ceramic Raschig Rings？

图片
Alumina ceramic Raschig rings are widely used as tower packing in chemical and environmental industries for efficient gas-liquid mass transfer and separation. Key selection criteria include alumina content, physical strength, dimensions, and operating conditions. Alumina content (typically 92%-99%) directly impacts corrosion resistance and thermal stability, with high-purity variants suitable for highly corrosive or high-temperature environments (up to 1500°C). Mechanically, compressive strength should exceed 250MPa to minimize breakage. Sizing should correspond to column diameter and operational gas velocity, with common diameters ranging from 25-100mm. Smaller sizes provide higher surface area for enhanced mass transfer but increase pressure drop. Practical selection requires comprehensive evaluation of process conditions. For acidic/alkaline environments, high-purity alumina (e.g., 99% Al₂O₃) ensures chemical inertness. Thermal shock resistance must be verified for high-temperature ...
发表评论
阅读全文