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Mica Band Heaters

Source: http://www.dlheater.com Author: admin Time: 2014.11.27

Mica band heaters are efficient and economical solutions to the heating requirements of many applications. Mica band heaters can attain a maximum sheath temperature of 900°F, but with different electrical termination styles, clamping mechanisms, and ability to accommodate holes and cutouts,mica band heaters are successfully used in many applications, but are mostly sought for in the plastics industry.

 

Mica band heaters made by Detai factory utilize different types of top grade mica. The thickness of each mica layer is carefully selected in order to balance between the insulating characteristics of mica and the ease of heat transfer from the heating core to the machine barrel.

 

The resistance wire ribbon used in a Detai factory mica band heater is not restricted to the capabilities of Nichrome wire. Different alloys are considered for different applications. The internal winding is carefully designed to ensure uniform heat distribution throughout the mica band heater. To maximize the surface-to-surface contact, our mica band heaters are carefully rounded and formed to optimize the grip on a machine barrel. The external metallic protective sheath of Detai factory mica band heaters is made of a special alloy, which expands less than the barrel when heated. This difference in thermal expansion makes the heater grip the barrel firmly once it is energized. This improves heat transfer which extends the life of the mica band heater.

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