Diamond Polishing Slurry As the primary rough polishing material, it removes CNC tool marks and sintered uneven layers on ceramic back covers, glass and metal middle frames. Featuring strong cutting power, it rapidly levels the substrate of workpieces. Alumina Polishing Slurry Mainly used for intermediate polishing of aluminum, stainless steel and other metal components. It eliminates deep scratches left by rough polishing and improves substrate flatness. Ceria Polishing Slurry Compatible with various mobile phone cover plates, lens glass and watch glass. It delivers high polishing rates and outstanding brightening performance, making it the mainstream polishing consumable for glass components. Silica (Silica Sol) Polishing Slurry Specially developed for fine polishing of zirconia ceramic middle frames, camera ceramic rings and fingerprint ceramic chips. It produces scratch-free surfaces at nanometer mirror finish after processing, suitable for subsequent coating and lamination processes.