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March 2019
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Mineral insulated band

Mineral Insulated band heaters are the solution for applications that require high watt densities (W/IN2) and/or high operating temperatures.  MI Bands are capable of reaching temperatures up to 1400’F (760’C) and watt densities up to 150W/IN2 (23.25 W/CM2).  The watt density for a specific application will depend on the heater size and its operating temperature.  These heaters are specially designed with a nichrome element embedded in a mineral insulation.  This construction provides excellent thermal conductivity and dielectric strength.  The heater is designed under pressure to a precise diameter with a thin low-mass cross section providing fast heat-up rates and reduced cycle times.  PTSHEAT’s engineers are factory trained to design and supply the proper MI Band heater for your application.  We always tell our customers that the mineral insulated band heater is our preferred band.  With the stainless steel exterior construction and the high temperature insulation, this heater is capable of most applications.  It will last longer in standard applications and perform faster in aggressive applications.  Often called the Better Band, MI-Plus, MI Band, Mighty-Tuff, MaxPak, Heavy Duty, etc.  However, mineral insulated band heaters are not all made the same.  Our Mineral insulated band heaters are the highest quality band in the industry.

Applications:

  • Blown film dies
  • Extruders
  • Injection molding machines
  • Other cylinder heating applications