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99% Al2O3 Chống mài mòn Chống ăn mòn Aluminium oxide gốm với cách điện

99% Al2O3 Dense Aluminum Oxide Ceramic | 3.6 g/cm³ | Wear & Corrosion Resistant High-performance 99% Al2O3 dense alumina ceramic with 3.6 g/cm³ density. Excellent wear resistance, corrosion resistance & electrical insulation. Ideal for seals, bearings, valves & industrial linings. Custom parts ...