1.High Temperature Resistance: Alumina rectangular trays can withstand high temperatures, making them suitable for use in processes involving heat treatment, sintering, and firing. 2.Chemical Inertness: Alumina rectangular trays are chemically inert, meaning they do not react with most chemicals, acids, or alkalis. This makes them ideal for handling corrosive substances in laboratories and industrial settings. 3.Mechanical Strength: Alumina rectangular trays have excellent mechanical strength and are resistant to abrasion and wear, making them durable and long-lasting. 4.Dimensional Stability: Alumina rectangular trays maintain their shape and dimensions even under high temperatures, ensuring consistent performance over time.