Overview Zirconia (ZrO2) crucibles are exceptional for their superior durability and performance in high-temperature applications. Known for their refractory and insulating capabilities, our Zirconia Crucibles withstand temperatures up to 2200°C. They are perfectly designed for melting superalloys and precious metals, offering unmatched chemical inertness, thermal shock resistance, and corrosion resistance against both acids and alkalis. Key Features Maximum Working Temperature: Up to 2200°C, suitable for high-temperature processes. Chemical Resistance: Highly resistant to acids and alkalis, ensuring purity and integrity of materials. Thermal Shock Resistance: Can withstand sudden temperature changes up to 2200°C without damage. Material: Made from high-purity Zirconia (ZrO2). Applications Zirconia Crucibles are essential in industries that require high purity and durability under extreme conditions: Chemical Calcining: Ideal for processes requiring high temperature and resistance to aggressive chemicals. Metal Casting and Melting: Optimal for melting precious metals and superalloys, ensuring clean and uncontaminated melts. Thermal Analysis: Used as crucibles in thermal analysis due to their stability at high temperatures. Advanced Manufacturing and Customization We offer crucibles tailored to specific requirements, including custom sizes and shapes. Our advanced manufacturing process ensures each crucible meets stringent quality standards with excellent control over purity, grain size, and microstructure. Handling and Packaging Each crucible is meticulously packaged to ensure it arrives in pristine condition, minimizing any risk of damage during transit and storage. Frequently Asked Questions (FAQs) Q1: What makes Zirconia Crucibles superior to other materials for high-temperature applications? A1: Zirconia Crucibles offer exceptional thermal shock resistance and chemical inertness, which make them capable of operating at higher temperatures without degrading or reacting with processed materials. Q2: Can I order Zirconia Crucibles in custom sizes? A2: Yes, we can customize the size and shape of the crucibles to meet your specific needs. Please contact us with your requirements. Q3: Are Zirconia Crucibles suitable for melting precious metals? A3: Absolutely, they are highly recommended for melting precious metals due to their inert nature, which prevents contamination of the metals. Q4: How should I handle and store the Zirconia Crucibles to ensure their longevity? A4: Zirconia Crucibles should be stored in a dry environment and handled with care to avoid impacts that could lead to cracks or fractures. Q5: What kind of support does your company offer if I encounter issues with the crucibles? A5: We provide comprehensive customer support and are ready to assist with any technical issues or inquiries regarding our products.

Alumina Boats Catalog No. AC0928 Material Al2O3 Purity 99.8% Density 3.9 g/cm3 Alumina boats are available in various forms, purities, sizes, and prices. Alumina Boat Description Alumina boat is a ceramic product with high thermal conductivity, compressive strength, and thermal shock resistance. It also has a low thermal expansion, making it a suitable material for furnace use in boat, tube, and thermocouple sheath form. Alumina has high hardness and good wear resistance, making it a suitable material for ball valves, piston pumps, and deep drawing tools. In addition, it can be easily combined with metals and other ceramic materials using brazing techniques and metallizing. Alumina boat can be used under high temperature and do not contaminate most molten metals. Alumina Boat Specification Composition AL97 AL98 AL2O3 content 97% 99.80% Color White Ivory Tensile 30 Kpsi 32 Kpsi Flexural 55 Kpsi 60 Kpsi Compressive 300 Kpsi 330 Kpsi Density 3.70 g/cc 3.92 g/cc Hardness 13.8 HV, GPa 18 HV, GPa Thermal Conductivity 25 W/(m K) 32 W/(m K) C.O.T.E. 7.7 In / In°C (x107) 7.8 In / In°C (x107) Working temperature 1500 °C 1750 °C Dielectric Constant 9.5 9.8 Volume Resistivity >1014 Ohm-cm >1015 Ohm-cm Dielectric Strength 16 KV/mm 20 KV/mm Alumina Boat Applications Alumina Al2O3 boats are used in the following applications: • Used for making parts for CVD, ion implants, photolithography, and semiconductor parts. • In traditional industries, alumina ceramics are ideal for products such as injector tubes, gas nozzles and insulators. • Used as a material for industrial furnaces due to its ability to maintain its hardness at high temperatures. • Used as the protector for high-temperature thermal couples. • Used as a material for the chemical industry due to its high corrosion resistance. Alumina Boat Packaging Our Alumina boats are carefully handled to prevent damage during storage and transportation and to preserve the quality of our products in their original

Alumina Crucible Catalog No. AC0925 Material Al2O3 Purity 99%, 99.8% Density 3.8~3.9 g/cm3 Alumina crucibles are available in various forms, purities, sizes, and prices. Alumina Crucible Description Alumina crucible is a ceramic product with high thermal conductivity, compressive strength, and thermal shock resistance. It also has a low thermal expansion, making it a suitable material for furnace use in the crucible, tube, and thermocouple sheath form. Alumina is high hardness and good wear resistance, making it a suitable material for ball valves, piston pumps, and deep drawing tools. In addition, it can be easily combined with metals and other ceramic materials using brazing techniques and metalizing. Alumina crucibles can be used under high temperatures and do not contaminate most molten metals. Alumina Crucible Specification Composition AL97 AL98 AL2O3 content 97% 99.80% Color White Ivory Tensile 30 Kpsi 32 Kpsi Flexural 55 Kpsi 60 Kpsi Compressive 300 Kpsi 330 Kpsi Density 3.70 g/cc 3.92 g/cc Hardness 13.8 HV, GPa 18 HV, GPa Thermal Conductivity 25 W/(m K) 32 W/(m K) C.O.T.E. 7.7 In / In°C (x107) 7.8 In / In°C (x107) Working temperature 1500 °C 1750 °C Dielectric Constant 9.5 9.8 Volume Resistivity >1014 Ohm-cm >1015 Ohm-cm Dielectric Strength 16 KV/mm 20 KV/mm Alumina Crucible Applications Alumina Al2O3 crucibles are used in the following applications: • Used for making parts for CVD, ion implants, photolithography, and semiconductor parts. • In traditional industries, alumina ceramics are ideal for products such as injector tubes, gas nozzles and insulators. • Used as a material for industrial furnaces due to its ability to maintain its hardness at high temperatures. • Used as the protector for high-temperature thermal couples. • Used as a material for the chemical industry due to its high corrosion resistance. Alumina Crucible Packaging Our Alumina crucibles are carefully handled to prevent damage during storage and transportation and to preserve the quality of our products in their original condition.