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Heating Element_Hot Runner Heater

Hot runner coil heater

Hot runner coil heater

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customized injection moulding hot runner coil heater

Product Description

Length of hot runner coil heater within 20-3000mm is mainly used for hot runner mold,as well as other precision heating system.Spring heating ring external using high quality Ni-Cr steel tube,the internal use of high purity magnesium oxide,high temperature resistance wire,and first-class manufacturing technology.The wire is after the annealed,with flxibility can bent into an arc or circle heating.Its high working temperature,fast heating,uniform heating precision,long service life,can be automatically controlled area,high thermal conduction,while internal heating material damage,external careuses.

Technical Specification and Tolerance:

Sectional area

3X3,4.2X2.2,4X2,4X2.7,4X2.5 3.3 X 3.3 3.5 X 3.5 4 X 4,2.2X1.3

Minimum ID


Sheath Material


Insulation Material

High Pure MgO

Resistance Wire Cr20Ni80
Maximum Sheath Temperature 700°C
Die Electrical Strength 800V A/C
Insulation > 5 M W
Dimensional Tolerance Coil I.D + 0.05mm // Coil Length + 1mm
Wattage Tolerance + 10% (+ 5% Available Upon Request)





Build-in thermocouple power

without or with J/K thermocouple

Sheath's length


Available Cable

nylon,metal braided,fiberglass ,silicone rubber, armored

The delivery time:

10-100pcs 5days
100-500pcs 7days
more than 500pcs 10days


1.simple structure
2.long-time usage
3.high efficient heater exchange could easy to bent into many kinds of shape
5.good insulation could withstand high voltage


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