Product Description

Calcined Alumina is produced by calcining high-purity aluminum hydroxide at controlled temperatures. It features high α-alumina content, excellent chemical stability, and good sintering performance. Suitable for ceramics, refractories, polishing, electronic materials, and other advanced applications.

   Chemical Properties

   Physical Properties

   Available Grades

• Micro Powder Grades：D50 1 µm / 2 µm / 3 µm / 5 µm / 6 µm

• High-Purity Grades：Al₂O₃ ≥ 99.5%

• Low-Soda Grades：Na₂O ≤ 0.1%

• Customized particle size and chemical composition can be provided according to customer requirements.

   Factory Display

Shandong Zhongji Metal Products Co., Ltd. is a benchmark enterprise in the field of abrasives and refractory materials, focusing on the research and development of high-end abrasive products such as white corundum, brown corundum, black corundum and glass beads. As an international comprehensive enterprise integrating industry and trade, we provide global customers with full-process solutions from raw material selection, customized production to technical services through the advantages of vertically integrated industrial chain, and always practice the business philosophy of driving quality with innovation and creating value with service.

   Applications

• Ceramics：advanced ceramics, spark plugs, ceramic substrates

• Refractories：high-temperature bricks, castables

• Polishing：metals, optical glass, sapphire

• Electronic Materials：MLCC, electronic fillers

• Catalyst Carriers

   FAQS

Q: Does it support customized production?

A: Yes, particle size distribution, packaging and special indicators can be adjusted according to needs.

Q: How to pack and ship?

A: Moisture-proof woven bags or ton bags;Sea/air transportation, DDP, FOB,CIF and other trade terms are available.

Q: Can you provide samples?

A: Free samples of 1-2kg will be sent out within 3 working days.

Q: Do you guarantee safe and secure delivery of products?

A: Yes, we always use high quality export packaging. We also use specialized hazard packing for dangerous goods and validated cold storage shippers for temperature sensitive items. Specialist packaging and non-standard packing requirements may incur an additional charge.