We sell high temperature K-type thermocouple wire with braided high temperature fiberglass insulation
mineral insulated cable for thermocouple - GME
Thermocouple Type-K Glass Braid Insulated - 5m : ID 3895 : $24.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Thermocouple Type-K Glass Braid Insulated
K Type Thermocouple High Temperature Resistance EGT Thermocouple Fast Response Insulation 0-1250 ℃ Stainless Steel for Temperature Controllers Industry: Amazon.com: Industrial & Scientific