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Watlow Band Heaters
Mineral Insulated - Barrel & Nozzle Heaters
Watlow Mineral Insulated Barrel & Nozzle Heaters
&The Energy Savers”

The Watlow MI Band is a high performance heater. Its performance and name are derived from Watlow’s exclusive mineral insulation--a material that has much higher thermal conductivity than the mica and hard ceramic insulators used in conventional heaters.

A thin layer of the “high” thermal conductive MI material is used to electrically insulate the element wire form the inside diameter of the heater sheath. A thicker, “low” thermal conductivity layer backs up the element wire, directing the heat inward towards the part that is being heated. The result is more efficient heat transfer... a performance solution that lowers element wire temperatures, increases heater life and lowers energy costs significantly!

  • Operating Temperatures to 1400°F (760°C) make it possible to safely melt even the newest resins, like PEEK, Teflon®, Ultem®, and Zytel®.
  • Higher watt densities than any other band (up to 230 W/in2) contribute to faster heat-up and through-put to increase productivity.
  • High thermal conductivity of MI and low mass construction give almost instant response to temperature control. This performance solution eliminates thermal lag and temperature overshoot associated with ceramic knuckle heaters.
  • Stainless steel cover as well as side fold design resist contamination by overflow of plastic or other free-flowing materials.
  • Permanently attached clamp bars eliminate cumbersome clamping straps, which makes installation easier.

Download Watlow MI Band Heater Catalog Pages (pdf 293K)

Watlow Thinband® and Mica Barrel & Nozzle Heaters
Discontinued as of June 18, 2010

Watlow has discontinued the Thinband and Mica Band lines of band heaters as of June 18, 2010. If you have a Watlow Thinband or Mica Band heater that you need to replace, then please call us at 800-392-8569, to get a quote on a comparable heater from a different manufacturer.

Watlow Band Heater - Stock Lists and Ordering Pages
(Click on the Link for the Style that you need.)
MI (Mineral Insulated) Nozzle Band Heaters
MI (Mineral Insulated) Barrel Band Heaters
** For non-stock sizes or special options and configurations, please call us at (800) 3WATLOW.
This page last modified on 7/2/2010
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