High Performance Cartridge Heater for Injection Molds

Short Description:

As a core heating component in the plastic injection molding industry, our cartridge heater delivers consistent, reliable heat to ensure stable melt temperature, uniform mold filling, and high-quality finished products. Designed to withstand the high-pressure, high-temperature operating conditions of continuous injection molding cycles, our cartridge heaters combine precision manufacturing with premium materials to deliver longer service life and lower maintenance costs for your production line.

E-mail: kevin@yanyanjx.com

Product Detail

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Product Overview

Injection molding requires precise temperature control to avoid defects such as warping, short shots, or uneven surface finish on molded parts. Our cartridge heater is engineered specifically to meet the demanding requirements of injection mold applications, providing concentrated, uniform heat directly to the mold cavity, runner system, and hot runner nozzles. Whether you are running small-batch custom molding or high-volume mass production, our cartridge heaters adapt to your mold design and production schedule, ensuring consistent performance cycle after cycle.

Unlike generic heating elements, our cartridge heaters are optimized for the tight installation spaces common in injection molds, with customizable dimensions and power outputs to match your exact mold specifications. Each heater undergoes strict quality testing before leaving the factory to ensure it meets industrial standards for insulation resistance, dielectric strength, and thermal stability, reducing unplanned downtime and production losses caused by heater failure.

Technical Specifications

Parameter	Specification Range	Note
Sheath Diameter	Ø3mm – Ø30mm	Custom sizes available on request
Heated Length	10mm – 3000mm	Cold end length can be customized
Power Output	50W – 10kW	Calculated based on application requirements
Rated Voltage	12V, 24V, 120V, 240V, 380V, 480V	Custom voltage supported
Sheath Material	304 Stainless Steel, 316L Stainless Steel, Incoloy 800	Incoloy recommended for applications above 400°C
Maximum Continuous Operating Temperature	400°C (304 SS), 450°C (316L), 600°C (Incoloy 800)	Temperature based on ambient operating conditions
Insulation Resistance (Cold)	≥1000 MΩ	Tested per IEC 60335
Dielectric Strength	1500V AC / 1min, no breakdown	Higher voltage ratings available
Thermocouple Option	Type K, Type J	Integrated or grounded junction available

Product Features

1.High cleanliness and biocompatibility:

1) Shell material: Stainless steel 316L or 304 is usually used. This type of austenitic stainless steel has strong corrosion resistance, smooth surface, is not easy to adsorb pollutants, and is easy to clean and disinfect.

2) Surface treatment: The surface of the shell will undergo electrolytic polishing or mechanical polishing to achieve a mirror or matte effect, reduce surface roughness and prevent bacterial growth

3)Insulation material: The internal magnesium oxide powder must be of high purity, impurity free medical grade to ensure that harmful substances are not released at high temperatures.

2.High precision and stability:

1) Medical equipment require extremely high temperature control. Medical grade single head tubes require high power accuracy and uniform heat generation to ensure that the temperature fluctuations of the heated medium (such as liquids and gases) are within a very small range.

2) The built-in thermocouple or thermistor has higher accuracy, timely feedback, and closely cooperates with the temperature control system of the equipment to achieve precise temperature control.

3.Fast response and high efficiency:

1) Medical equipment often requires rapid heating and cooling. The single head tube is filled with high resistance electric heating wire and dense magnesium oxide powder, which has high thermal conductivity efficiency and fast thermal response speed.