Description
Plastic Injection Mica Band Heating Element is used for heating tool in plastic process industry. Dimensions are from Φ 40 X 15 mm up to more in steps of 1 mm.
Maximal working temperature is 360 C. Specific strength up to 4 W/cm2. Normal performance for line connection is 230 V, 400 V. Larger performance can be made on three phase connection. Construction of connection according to agreemant. Normal performance of connection on form of vertically mounted connection box, high temperature European-plug male, bolts and fixed mounted shielded temperature resistant cable. Holes for thermo probes by demand.
Plastic Injection Mica Band Heating element is manufactured by enclosing a precision wound nickel-chromium resistance ribbon inside a specially treated steel sheath. Mica is used to insulate the resistance ribbon from shorting out against the outer steel sheath.
Mica band heater can withstand voltage spikes, resist moisture, and is flexible enough to conform to the curvatures of plastic molding machine barrels. Since mica is also a heat insulator, only top grade mica, which is inorganic, has high temperature stability, and is "paper thin" is used. This "paper thin" characteristic enables a quick transfer of heat through the mica to the outside steel sheath, thus transferring the heat away from the red hot internal resistance ribbon winding.
If your mica band heater has post terminals, make sure you are using high temperature ring terminals. Standard ring terminals will cook to the point they become brittle and can easily break causing a short. If your mica heater bands or strip heater terminations are not covered with a terminal box, consider using ceramic terminal covers.
After installing a new mica band heater, we suggest that you come back to it after fifteen minutes of operating time. After proper actions are taken to assure there is no power going to the heater and that the heater will not cycle on, re-tighten your straps or clamping mechanism.Make a habit of checking the tightness of the band heater periodically and you will be surprised at how you can increase the life of your band heaters.
| Configuration & Description | Configuration Diagram |
|---|
One-piece mica band heater with post terminals located on each end and separate strap. 
Diameters from 1-1/2" to 15"Widths from 1" to 5"
For widths 5" to 10 ", specify Configuration 532.
Two-piece, post terminals on each end of each half, separate strap. When specifying wattage and voltage, give wattage and voltage for each individual half. 
Diameters from 3" to 30"
Widths from 1" to 5" For widths 5" to 10", specify Configuration 533.
One-piece heater, post terminals located side-by-side on one end, and separate straps. 
Diameters from 3" to 14"
Widths from 2 1/2" to 10"
Two-piece band heater, post terminals located side-by-side on one end of each half, separate straps. When specifying wattage and voltage, give wattage and voltage for each individual half. 
Diameters from 4" to 28" Widths from 2 1/2" to 10"
We have decades of experience in the development and production of injection molding machine heaters. As your trusted partner, we are professional and capable to meet all kinds of injection molding needs.
Feature
The sheath of the heater is rust resistance.
Advantages of ETDZ Mica Heater Bands
High watt-density capabilities up to 35 W/in
Reasonably high temperature capabilities 600° F (900° F short term)
Good efficiency
Good lifetime (mean time to failure)
Mica band heaters are great low cost heaters
Easily customized and quickly manufactured
They are easy to maintain and under proper care will last for years
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