High temperature resistance Rust proof Dimensional stability Sturdiness

Introduction

The alumina crucibles for cathode material synthesis of lithium batteries are made of high-quality raw materials and advanced production processes. The products have excellent performance, featuring high operating temperatures, strong corrosion resistance, and long service life, with stable and reliable quality. The main products include alumina crucibles for synthesizing ternary cathode materials, lithium cobalt oxide, lithium iron phosphate and other cathode materials. Among them, the alumina crucibles for ternary cathode material synthesis have been tested by customers, with a cyclic service life reaching over 38 times.

Size available:

Square: 320*320*110mm 320*320*48mm 320*320*60mm 320*320*80mm 320*320*75mm 320*320*85mm 300*300*175mm 300*300*150mm 300*300*110mm Round： Φ120*125mm Φ320*160mm Remarks: Other sizes available upon customer's request.

Item/Product	Mullite	Cordierite	Cordierite - Mullite	Mullite - Corundum
Al2O3 %	≥ 68	≥ 32	≥ 57	≥ 80
Fe2O3 %	≤ 1.2	≤ 1.5	≤ 1.5	≤ 1.2
Density g/cm3	2.4	2.0	2.2	2.7
Coefficient of thermal expansion%（1000℃）	0.3	0.15	0.27	0.33
Refractoriness（℃）	≥ 1750	≥ 1460	≥ 1700	≥ 1800
Thermal stability 1100 (℃）-- Water	≥ 50	≥ 70	≥ 60	≥ 40
Working temperature（℃）	≤ 1350	≤ 1250	≤ 1300	≤ 1400