1, 95-99.7% Alumina purity, 2, Voltage resistance, 16-25V, 3, available for gas utensils, gas portable stoves. Corundum Alumina Products Alumina purity: 99.6%Color: LvorySintering temperature: 1810CMax. working temperature: 1800CSag Temp. Unsupported Tube: 1600C Alumina tube Alumina purity: 99.6%Color: LvorySintering temperature: 1810 oCli>Max. working temperature: 1800 oCSag Temp. Unsupported ...