Our heating elements are widely used for new energy vehicle heating, lithium battery packaging machinery, smokeless barbecue grills, plastic molding dies, hot-pressing equipment, cigarette-making machinery, pharmaceutical machinery, shoemaking equipment, 3D curved glass forming machines, 3D printers, packaging machines and extruders. All products are manufactured in compliance with CE standards.
Description
Our heating elements are widely used for new energy vehicle heating, lithium battery packaging machinery, smokeless barbecue grills, plastic molding dies, hot-pressing equipment, cigarette-making machinery, pharmaceutical machinery, shoemaking equipment, 3D curved glass forming machines, 3D printers, packaging machines and extruders. All products are manufactured in compliance with CE standards.
Technical Specifications
Tube outer diameter: φ2.8mm, φ3mm, φ4mm, φ5mm, φ6mm, φ8mm, φ9.5mm, φ10mm, φ12mm, φ16mm; custom sizes ranging from φ2.0mm to φ35mm available.
Diameter tolerance: -0.02mm ~ +0.08mm
Sheath material: SS304, SS321, SS316L, Incoloy 840
Insulation filler: high-grade imported magnesium oxide powder
Heating wire: Ni80Cr20 nickel-chromium alloy
Max watt density: 40W/cm²
Max sheath surface working temperature: 927℃
Electrical property: leakage current ＜0.5mA
Input voltage & power: custom-made as required; power tolerance: +5% ~ -5%
Lead type: direct lead-out or indirect lead-out
Thermocouple equipped models: imported K-type / J-type temperature sensing wires available
Product Advantages
Extra-long service life: advanced internal structure design with imported high-purity solid MgO rods & filling powder featuring excellent thermal conductivity.
Precision outer dimension via professional grinding process for tight fit during equipment assembly; high thermal efficiency and fast heat dissipation.
Structural Diagram of LILIN Cartridge Heater
Material Breakdown for LILIN Cartridge Heater
End cap: SUS304
MgO spacer: 99% high-purity or seawater refined magnesium oxide spacer
MgO powder: USA-sourced high-temperature electrical-grade magnesium oxide powder
Outer sheath: seamless stainless steel pipe above SUS321 grade, wall thickness ≥0.9mm
Solid MgO core rod: 99% high-purity or seawater refined magnesium oxide rod
Resistance wire: original imported Japanese Cr20Ni80 heating wire
Lead pin: single-strand or multi-strand twisted NiMn2 pins
MgO spacer: 99% high-purity or seawater refined magnesium oxide spacer
Sealing compound: mica, ceramic bead or imported high-temperature ceramic adhesive
Lead wire: direct lead type, Canadian imported multi-strand pure nickel wire resistant to 500℃, standard lead length:300mm
Quality Control Standards for Cartridge Heaters
Diameter tolerance D: 0 ~ -0.05mm
Length tolerance L: +1mm ~ -1mm
Power tolerance W: +5% ~ -10%
Straightness: ≤3‰ (Max deflection ≤3mm per 1000mm length on flat surface)
Insulation resistance ≥10³MΩ (valid for 3 months under unopened vacuum packaging)
Withstand voltage ≥1800V/S
Surface requirement: smooth finish without scratches, spots or dents
Lead wiring strictly follows standard current-carrying capacity per electrical specifications
Packing: vacuum sealed packaging
