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Blasch thermocouple protection tubes are used as a barrier to molten metals, protecting the internal thermocouple while transferring the temperature from the molten bath. Utilizing our Oxytron™ and Nitron™ materials, Blasch products provide the best non-wetting materials to provide long service campaigns with reduced oxide build up and predictable life in all your thermocouple protection applications. These ceramic thermocouple protection tubes are able to withstand severe thermal shock with very little preheat. Many sizes are available, and nearly any custom size can be produced.