The thick film heating circuit is sintered and covered with 5 insulation layers It can directly heat the Stainless steel temperature up 150 ℃ / s.
Compared with the traditional aluMinum kettle heating plate, the thick film heating element has larger heating area (the thick film heating circuit is evenly covered on the plate), higher power density (60W / cm2), faster temperature response (up to 150 ℃ / s), longer service life (more than 10000 hours) and higher heat transfer efficiency (> 96%).
For Space Limited appliances, thick film heaters provide high thermal power density and fast heating or cooling response time. It is called "the most impact electric heating element", and it is an ideal heating element instead of aluMinum water heating plate or immersion electric water heating element.
Technical Parameter of Thick film Kettle heating plate
-10% - +5%
PA66+ glass fibre, temperature resistance≥250℃
Snap Action Thermostat
16A, installed close to the heating tube’s heating circuit
Thick Film Heating
Production Process of the thick film kettle heating plate:
Preparation of stainless steel substrate
The uncoated stainless steel substrate must be cleaned of contaminants (such as fingerprints, dust, oil stains, grease, etc.), and gloves must be worn when the stainless steel substrate needs to be touched again once the cleaning is completed.
Printed insulating medium
ESL's insulating medium is printed on the corresponding stainless steel substrate by screen printing. We recommend using 165 mesh latex-free stainless steel screen for printing, and the sintered thickness of each layer should be controlled between 25-30 microns. You can use a film thickness tester to measure the thickness of the insulating medium. The three-layer separately sintered insulating medium slurry will reach a thickness of 80 microns or more to ensure sufficient insulation. Please perform the printing and sintering process in a dust-free and clean environment to avoid the appearance of small holes caused by fine impurities, which may cause the breakdown voltage to drop. The slurry is dried at 125°C and sintered at 850°C (please refer to the product specification for the specific sintering curve).
ESL conductors are printed on the insulating medium by means of screen printing. We recommend using 325 mesh 20 micron latex stainless steel screen for printing. The method of drying and sintering is the same as the insulating medium or refer to the product specification.
ESL 29XXX resistor paste is printed on the insulating medium by screen printing. We recommend using 250 mesh 5 micron latex thickness stainless steel screen for printing. In general, the width of the resistor printing is 2.4 mm, the thickness is 21±1 microns, and the spiral pattern is 178 squares. The method of drying and sintering is the same as the insulating medium or refer to the product specification.
Printed glass protective glaze
We recommend using 165 mesh latex-free stainless steel screen to print the corresponding isolation media as a protective layer. The method of drying and sintering is as described above. It is inevitable that the resistance value of the resistor will change after sintering, but this will not affect normal use.
Thick Film Heating is new Technology of Heater, JAYE Industry OEM and Custom make based of Your specific requirement, welcome to send to us your designed drawing or ideas.
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