... .resistant high temperature above 1000C 2.resistant strong acid & alkali electric heating element 1. SiO2>99.99%, high purity quartz tube, OH ... visible light>90%. 4. Widely used in semiconductor, lighting and electric heating industries.5. Outside diameter dimension form 4mm to 300mm. 6 ... installation - Sterilizing device Professional design support by request of customer. electric heating element for ...