99% Alumina Double-Threaded Porous Crucible with Lid High-Temperature Corundum Crucible

99% Alumina Double-Threaded Porous Crucible with Lid High-Temperature Corundum Crucible

Product Name: 99% Alumina Double-Threaded Porous Crucible with Fine Holes and Lid
SKU#:CX-AL-89001
Chemical Composition: ≥99% Al₂O₃ (High-Purity Alumina)

Application:
Designed for a wide range of high-temperature experimental and industrial analysis applications. Widely used in laboratory research and industrial thermal testing environments.

Key Features:

• High Purity Material
Made from ≥99% high-purity alumina (Al₂O₃), ensuring excellent thermal stability and chemical resistance.

• Advanced Forming Process
Produced using slip casting technology, resulting in high density with a smooth, uniform surface finish both inside and outside.

• High Temperature Resistance
Long-term operating temperature up to ≤1600°C, with a sintering temperature up to 1800°C.

• Excellent Chemical Resistance
Highly resistant to chemical corrosion, suitable for aggressive experimental environments.

• Functional Design
Double-threaded structure with a fine porous lid design for controlled gas exchange and specialized high-temperature testing applications.

Precautions
Before first use, preheat in an oven at ~105°C for 120 minutes to remove moisture.

Avoid direct flames (gasoline, acetylene, alcohol) to prevent cracking from uneven heating.

Maintain a distance >2 cm between the setter and heating elements (carbon tubes, silicon carbide rods, heating wires).

Heating/cooling rates: <5°C/min below 1200°C, <4°C/min above 1200°C; use controlled cooling at high temperatures. For large setters, avoid direct contact with the furnace floor—use high-temperature resistant supports (e.g., corundum plates) to promote air circulation and extend lifespan.