Comparison of PTC and MCH Ceramic Heater in Hair Straightener Comb

Comparison of PTC and MCH Ceramic Heater in Hair Straightener Comb

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Hair Straightener Comb PTC heating pieceHair Straightener Comb MCH ceramic heater
Structure principlePTC is a high temperature sintered ceramic heater with positive temperature coefficient High thermal conductivity alumina ceramics was used as the substrate and heat resistant refractory metal was used as the internal electrode to form a heating circuit
The main advantagesThe surface temperature of the heating body can be controlled and constant and can prevent dry burning.

The surface of the product is not charged, and the working process is hydropower isolated.

Ceramic substrate, the use process is not easy to scale;

Small size, power density (> 35W/cm cubed), fast warming rate (> 900 absolute C within 30 seconds), high thermal efficiency;

Security good, hot line seal in ceramics, high voltage 4200 v/S no breakdown, products insulation resistance Ω 100 m or more

Long service life, with an average life of 10,000 hours or more;

Good acid and alkali resistance;

The power is stable in the process of using the product, and the power will not decay in long-term use.

Free of harmful substances in accordance with ROHS requirements;

The product can withstand dry burning.

Main drawback

1. The surface of the product itself is charged, and it needs to be insulated on the surface and installed in a special heat dissipation component to increase the assembly cost;

2. The product and the heated object are the heat loss in the indirect heating process, which leads to the decrease of thermal efficiency;

3. The PTC heating chip will gradually decrease in power as the working time increases;

4. Lead in the product does not meet the environmental requirements.

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