99% Alumina Thermal Analysis Crucible Alumina Ceramic Thermogravimetric Crucible Corundum Ceramic Crucible for Scientific Research and Experiments (20, Without Lid, Φ6.8 * 4mm/85ul)

SPECIFICATION - Quantity: 20pcs, size: diameter * height, capacity: 25-85ul, alumina(Al₂O₃)≥ 99%, type: with lid/without lid, high temperature resistance: 1600-1750℃. THERMAL ANALYSIS CRUCIBLE - High thermal conductivity, fast heat transfer between sample and crucible, uniform temperature distribution, stable structural performance, not easy to have physical and chemical reaction with analyzed sample. CONTROL HEATING/COOLING RATES - Excessive temperature change rates cause cracking! below 1200℃: 4℃/min, above 1200℃: 3℃/min, use power-controlled cooling, avoid rapid cooling by turning off power while hot, as initial furnace cooling is often too fast. (For larger products, use slower rates ≤2℃/min) AVOID DIRECT FLAME / LOCALIZED HEATING - Do not heat directly with gasoline torches, acetylene guns, alcohol lamps, or by contact with hot objects, uneven heating causes cracking. FIRST USE - Place in a ~105℃ oven for 120 minutes, or follow the process recipe for an initial empty firing to remove moisture/impurities.

• SPECIFICATION - Quantity: 20pcs, size: diameter * height, capacity: 25-85ul, alumina(Al₂O₃)≥ 99%, type: with lid/without lid, high temperature resistance: 1600-1750℃.
• THERMAL ANALYSIS CRUCIBLE - High thermal conductivity, fast heat transfer between sample and crucible, uniform temperature distribution, stable structural performance, not easy to have physical and chemical reaction with analyzed sample.
• CONTROL HEATING/COOLING RATES - Excessive temperature change rates cause cracking! below 1200℃: 4℃/min, above 1200℃: 3℃/min, use power-controlled cooling, avoid rapid cooling by turning off power while hot, as initial furnace cooling is often too fast. (For larger products, use slower rates ≤2℃/min)
• AVOID DIRECT FLAME / LOCALIZED HEATING - Do not heat directly with gasoline torches, acetylene guns, alcohol lamps, or by contact with hot objects, uneven heating causes cracking.
• FIRST USE - Place in a ~105℃ oven for 120 minutes, or follow the process recipe for an initial empty firing to remove moisture/impurities.