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Product Groups
High Temperature Thermocouple Wire with Nextel or Silica Yarn Fiber Insulation
TRODEKS Engineering | Thermocouples, Pressure Transducers, Flow Meters, PID Controllers
XC-(*), XR-(*), XS-(*), XT-(*), XC4-(*) and XL-(*)
  • Ceramic Insulation Material is Overbraided on Std or SLE grade Wire
  • XC :Nextel 312 standard, rated to 1200°C (2200°F) Continuous, 1425°C (2600°F) Short Term
  • XS: Silica Yarn, rated to 1050°C (1900°F) Continuous
  • XR: Refrasil Vitreous Silica Fiber, suitable to 982°C (1800°F)
  • XC4:Nextel 440, rated to 1375°C (2500°F) Continuous, and 1550°C (2800°F) Short Term
  • Thermocouple Color Tracers on Jacket and Conductors
  • Inconel 600 or 304SS Overbraid will add Durability
 Manuals (contact with email : [email protected])


Nextel insulation a high temperature ceramic is offered with in three types of overbraiding. XC is the standard braid, XT is a tight braid and XL is a loose braid. The three braids affect only the amount of Nextel used, not the overall temperature rating. Insulation is braided over each wire or leg then a final jacket of the same insulation is braided over the pair of wires.
XC4: Nextel 440 insulation has the highest temperature rating to 1375C (2500F)

Silica insulation is a high purity (SiO2 > 99%) ceramic yarn, that offers high temperature protection up to 2000°F at an economical price. Refrasil insulation is a vitreous silica fiber.

Examples of pricing for popular models is referenced in the "To Order" box. Use the "Part Number Builder" below to get pricing for other available models.

Inconel 600 ,304SS or Tinned Copper can be added and overbraided as the outer jacket over the Nextel insulation . This type of durable outer jacket can add abrasion protection and signal shielding.
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