Coil Spring Hot Runner Heater with Thermocouple for Heat Exchange In Pakistan BR3197 Description Hot runner coil heaters are made of nickel chrome resistance wire placed inside a chrome-nickel steel tube filled with MgO powder and compacted for faster and efficient heat transfer. The heaters are annealed to acquire malleability for bending into any shape. Hot runner heaters with built-in thermocouple are also available. Hot runner bushes are produced with hot runner heaters of the different cross ... Product detail Hot runner coil heaters are made of nickel chrome resistance wire placed inside a chrome-nickel steel tube filled with MgO powder and compacted for faster and efficient heat transfer. The heaters are annealed to acquire malleability for bending into any shape. Hot runner heaters with built-in thermocouple are also available. Hot runner bushes are produced with hot runner heaters of the different cross-section with inner brass and an outer stainless steel cover. Specification Sheath Material Cr Ni-Steel Insulation Material MgO Resistance Wire Ni Cr 80-20 Maximum Sheath Temperature 700°C Die Electrical Strength 800V A/C Insulation >5 M W Thermocouple J type (Standard) or K type Length Tolerance (Straight) 5% Wattage Tolerance +/- 10% (+/- 5% Available Upon Request) Resistance Tolerance +/- 10% (+/- 5% Available Upon Request) Unheated Length 35mm (Standard) Dimensional Tolerance Coil I.D +/- 0.1 to 0.2mm Coil Length +/- 1mm