Nextel (Ceramic Braid) thermocouple wire

Nextel 312, is an Alumina-Borica-Silica fibre, which is braided directly onto thermocouple alloy; this insulation retains strength and flexibility at a continuous exposure to 1200°C, and short term exposure to 1425°C (2600°F). Most common metals (except molten tin and copper) do not attack the fibres. Furthermore, due to the fact that Nextel 312 Ceramic fibres contain no residual acids or chlorides, corroding and etching is eliminated. This particular product will outgas on first heat up. The first firing should be in air to oxidize out the sizing and lubricants etc. used to hold the yarn together and facilitate the spooling and braiding process. Once fired to the "use" temperature, it should be OK for vacuum or protection tubes; although, it is not recommended for use in abrasive environments, without the protection of Nickel or Inconel® overbraid.

Temperature Rating 1200° C / 2200° F

 
thermometer
 
 
 

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