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High Watts Density Miniature Cartridge Heater

High Watts Density Miniature Cartridge Heaters
Sheathmaterial:SUS201,304,321,316, and Incoloy800,840
Voltages available:380V,240V, 220V,110V,36V,24V or 12V
Max operating temp:800ºC
Wattage Tolerance:+5%, -10%
Resistance tolerance:+10%, -5%
Length tolerance:±1 mm
Diameter tolerance:-0.02mm
Standard Cold Zone:5-10mm
Thermocouple Location:type J or K are available
Insulation resistance (cold): ≥ 500 MΩ
Maximum leakage current (cold):≤ 0.5 mA


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Shenglong Electric Heating Technology Co.,Ltd is a cartridge heater manufacturer. our cartridge heaters are manufactured from the highest quality materials undergoing the strictest safety and quality controls in accordance with the international standards.

Shenglong High Watts Density Miniature Cartridge Heater made by high quality materials:
Tube Material: Seamless SS304, SS321, SS316L, SS310S, Incoloy 400/600/800/840 etc;
MGO Rod: Imported from Japan Tateho, USA OTC;
MGO Powder: Imported from UK UCM, Japan Tateho;
Resistance Heating Wire: Sweden Kanthal, Germany BGH, NiCr8020;
High Temperature Wire: Fiberglass wire, Pure Nickel Core wire, Telfon wire, Silicone wire;
Terminal Pin: Nickel-manganese alloy, pure nickel wire.

Shenglong High Watts Density Miniature Cartridge Heater Specification:

Diameter(mm) 3; 4; 5; 6; 6.5; 8.0; 10; 12; 12.5; 14; 16; 18; (Non-standard can be customized)
Application Mold Tools,Packaging Machinery,Plastic Process Machinery, Food Process Machinery,Printing…etc
Recommended temperature 750 ºC
Insulation resistance (500 [V-DC] unheated) ≥50MΩ
The maximum leakage current (253 [V-AC] unheated) ≤0.5mA
High voltage stability (temperature) Rated voltage ≤24V -500V-DC> 24V 1500V-AC
Wattage Tolerance +5% – 10% (closer tolerances are available upon special request)
Input voltage 12V-440V (non-standard can be customized)
Terminal unheated length <3mm-20mm
Non-terminal unheated length <3mm-20mm

Shenglong High Watts Density Miniature Cartridge Heaters Applications
Injection moulding – Internal heating of nozzles
Hot runner systems – Heating of manifolds
Packaging industry – Heating of cutting bars
Packaging industry – Heating of hot stamps
Laboratories – Heating of analytical equipment
Medical – Dialysis, Sterilization, Blood Analyzer, Blood/Fluid Warmer, Temperature Therapy
Telecommunications – Deicing, Enclosure Heater
Transportation – Oil/Block Heater, Aircraft, Coffee Pot Heaters
Food Service – Steamers, Dish Washers
Industrial – Glass Bending Machine, Hole Punches, Hot Stamp.

A cartridge heater is a tube-shaped, heavy-duty, industrial Joule heating element used in the process heating industry, usually custom manufactured to a specific watt density,based on its intended application.Compact designs are capable of reaching a watt density of up to 50W/cm².



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