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Photos at sight of production bases (PTC heating element)

 

Mixing & wet grinding

Dehydration & drying

Wafer-pressure molding into rectangular, circular or cellular

Sintering at high temperature (1400 C) into ceramic

Fixing electrodes on the surface

Screen Printing

Spraying

Resistance classification

Dielectric Voltage Withstand Test

Resistance-Temperature Chracteristic test

Final test

 

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