Alumina ceramic thermocouple-protection tube are considered to have better mechanical strength and better chemical resistance.Alumina ceramic thermocouple-protection tubes also have excellent abrasion resistance.Alumina ceramic thermocouple-protection tubes are considered to be gas tight so they make excellent primary protection tubes.Alumina ceramic thermocouple-protection tubes can be for primary and secondary protection tubes on Noble Metal(Platinum based)thermocouples. Product FeatureExcellent mechanical strengthchemical resistanceabrasion resistancegas tight etc.properties. Product SpecificationModelsOD-lengthmm:6-10008-150010-200012-200016-250020-250025-2500(30-35)-2000(40-45)-2000(50-55)-2000(60-65)-2000(70-75)-2000(80-85)-2000(90-95)-2000100-1700The tubes of the above sizes, we have available stocks.We can also custom cut shorter lengths to your specifications.Other sizes available on request. ApplicationMainly used for protecting thermometric element, isolate them from outside and reduce or prevent them being corroded, oxidized or damaged during use.